Questions Asked on
February 23, 2011

Physics
A 65kg trampoline artist jumps vertically upward from the top of a platform with a speed of 5.0m/s. a) How fast is he going as he lands on the trampoline, 3.0m below. b) if the trampoline behaves like a spring with a spring stiffness constant 6.2*10^4N/m,
asked by Emily Grossman 
Physics
How much work must be done to stop a 1250 kg car traveling at 105 km/h?
asked by Emily Grossman 
Physics
Doubling the voltage across a parallel plate capacitor does not double which of the following? a. the charge b. the electric field between the plates c. the energy stored d. the electric force on the plates e. both a and b is the answer A if not then how
asked by David 
physics
A special electronic sensor is embedded in the seat of a car that takes riders around a circular looptheloop at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The looptheloop ride is in the
asked by heather 
Linear Algebra
Two prospectors are pulling on ropes attached around the neck of a donkey that doesn’t want to move. One prospector pulls with a force of 25 lbs, and the other pulls with a force of 50 pounds. If the angle between the ropes is 30 degrees, then how much
asked by Emilie 
Physics
A ski starts from rest and slides doen a 22 degree incline 75m long. a) if the coefficient of friction is 0.090, what is the ski's speed at the base of the incline? b). If the snow is level at the foot of the incline and has the same coefficient of
asked by Emily Grossman 
Calculus
Decide if the following function f(x) is differentiable at x=0. Try zooming in on a graphing calculator, or calculating the derivative f'(0) from the definition. f(x) = x^4sin(2/x), if x is not equal to 0, and f(x) = 0 if x = 0. If it is differentiable,
asked by Abigail 
physics
a .140 kg baseball is dropped from rest from a height of 2.2m above the ground. it rebounds to a height of 1.6 m. what change in the balls momentum occurs when the ball hits the ground
asked by vicki 
Chemistry
which property of a distilled water solution will not be affected by adding 50 mL of CH3OH to 100.mL of the water solution at 25? conductivity mass freezing point boiling point please help
asked by Penny 
Calculus
According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a threequarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg.
asked by Lillian 
Math
Solve each system x + 3y = 6 4x  5y = 7 I need to know what x and y equal??
asked by Melanie 
Psychology
Carl Jung’s idea of the collective unconscious states that we share: (Points: 5) inherited universal ideas, wishes, and memories. common learning experiences in childhood or infancy. tendencies to sacrifice ourselves individually for the group. ideas
asked by Lisa 
math help PLEASE
divide 891 by 40 and write the quotient as a mixed number
asked by Greyson 
physics
An airplane with a speed of 94.9 m/s is climbing upward at an angle of 63.2 ° with respect to the horizontal. When the plane's altitude is 743 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly
asked by jc 
chemistry
if oxygen gas were collected over water at 22c and the total pressure of the wet gas were 710 mm hg what would be the partial pressure of the oxygen?
asked by fox 
Maths
The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make?
asked by Aravind 
statistics
if a football coach predicts his team to win 9 out of 10 or 90% which prediction did he use to make his prediction
asked by linda 
Physics
Which process will double the power given off by a resistor? a. Doubling the current while doubling the resistance b. Doubling the current by making a resistance half as big c. Doubling the current by doubling the voltage d. Doubling the current while
asked by R'Angel 
Physics
A nichrome wire has a radius of 0.50 mm and a resistivity of 1.5 ´ 10‑6 W‑m. What is the resistance per unit length of this wire?
asked by Kevin 
Chemistry  Enthalpy change and stoichiometry
N2 + O2 = 2NO enthalpy change = +180.6kJ c) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d) What is the enthalpy change for the reaction of 1.000 * 10^2g of nitrogen with sufficient oxygen? I do not understand how to
asked by Farah 
physics
The lowest temperature possible in nature is a. 0 degrees C. b. 4 K. c. 273 degrees C.
asked by Anonymous 
college physics
loft the ball with an initial speed of 15.0 m/s at an angle of 50.0° the horizontal. At this instant your opponent is 10.0 m away from the ball. He begins moving away from you 0.38 s later, hoping to reach the ball and hit it back at the moment that it is
asked by jc 
math
Jake has 3/4 of a dollar. Max has 1/10 of s dollar do they have more or less then $1.00 in all?
asked by davy 
Psychology
Evaluations of a particular belief, person, object, or idea describe a person’s: (Points: 5) attitudes. motivation. predispositions. biases. was thinking D im not sure can someone help please?
asked by Lisa 
pre cal
The radius of the earth is approximately 3960 miles, what is the linear speed of a point on the equator in miles per hour. Round your answer to the nearest mph.
asked by ronneka 
Chemistry
Consider the reaction: 2 H2S(g)>
asked by sally 
Chemistry
Consider the reaction: 2 H2S(g)>
asked by sally 
social problems
Increase in divorce rates over the last century related to :A)rejection of the ideology of the "good"family B) increasing financial independence of woman c)increasing abuse and conflict in families d) change in social norms toward greater acceptance of
asked by vedrana 
Math
A 3 foot long pole leans against a wall. The bottom is 5 feet from the wall. How much farther should the bottom be pulled away from the wall so that the top moves the same amount down the wall?
asked by Karen 
8th grade math
Problem of the Week The Problems  Bull's Eye! 02/14/11 In the game of darts, players take turns throwing darts at a circular target like the one shown. The dartboard, as it is called, is typically affixed to a wall and consists of a series of concentric
asked by Anonymous 
physics
A 120kg tackler moving at 5 m/s meets headon (and tackles) a 80kg halfback moving at 5 m/s, after which they couple together. What will be their mutual speed after the collision? Hint: use conservation of momentum law for INELASTIC collision.
asked by Anonymous 
math
A rectangle has a perimeter of 24 and an area of 35 square feet. What is the length and width of the rectangle?
asked by Jess 
physics
A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude
asked by Anonymous 
physics
Two planes of the same mass collide headon and becomes tangled so that they move on together. If the engines of both were stopped at the moment of impact and the speeds of the planes at impact were 120m/s and 200 m/s, find the joint velocity immediately
asked by Nelly 
math
Find the mixed number or rational fraction in lowest terms represented by the repeating decimal. 1.363636
asked by beverly 
10th
i am just abt to finish my 10th grade,i am very weak at maths and science,hence i have opted to take economics. 1.is this the right choice? 2.is there goin to be maths in it? 3.what are the core subjects involved?
asked by sam 
programming
Write a program that asks for the length and width of two rectangles. The program should tell the user which rectangles has the greater area, or if the area are the same.
asked by Fran 
Chemistry
The gaseous product of a reaction is collected in a 25 L container at 27 degrees Celsius. The pressure in a container is 300 kPa and the gas has a mass of 96 g. What is the formula mass of the gas?
asked by Tania 
Math
What is 10x + 2y  10 = 0 in slope intercept form ? and can you also explain how you got the answer cause I'm not really sure how to convert that into slope intercept (y = mx + b) m = slope and b = y intercept
asked by Melanie 
Physics
When a certain spring is stretched beyond its proportional limit, the restoring force satisfies the equation F=kx+βx^3. If k=8.5 N/m and β=105 N/m^3, calculate the work done by this force when the spring is stretched 0.114 m. My attempt: F=
asked by Irina 
physics
A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 3.1 m/s. Through how many revolutions has the soccer ball turned as it moves a linear distance of 15 m?
asked by Tin 
physics
A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at 0.657 m/s2 for 8.38 s. (a) What is the
asked by tish 
physics
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 21.3 m. The plane decelerates through the intersection at a rate of 5.33 m/s2 and clears it with a final speed
asked by tish 
Chemistry
Write an equation for the reaction that takes place when LiOH is added to water.
asked by Stephanie 
physics
Carbon atoms have 6 protons in their nucleus. In nm, at what distance from a carbon nucleus is the electric potential 3.1 V? I'm really confused with this question. I've been trying it for a while and cannot seem to get the right answer.
asked by B 
world history
what was the first hr on the titanic atmoshere like
asked by ash 
spanish 4
César le da consejos a un amigo en su primer día de trabajo porque el director de la cadena tiene muy mal humor. Escucha los consejos y cámbialos a mandatos. Sigue el modelo. Play audio For number 1 this is what the person says 1)el siempre pide que
asked by Dave 
chamistry
how do you calculate the mole fraction of HCl in an acqueous solution that contains 33.6% HCl by mass?
asked by franco 
7th grade math/distributing property homework
I need help with the steps of one question: 8(n2)+4(36n)= (36). Trying to find out what 'n' is
asked by Emma 
Physics
If a curve with a radius of 88m is perfectly banked for a car traveling 75km/h, what must be the coefficient of static friction for a car not to skid when traveling at 95km/h?
asked by Emily Grossman 
english
how do you get the symbolism of a short story?
asked by ted 
Chem
as the pressure on a liquid is changed from 100.kPa to 120.kPa, the temperature at which the liquid will boil decease increase or remain the same ?
asked by Hannah 
Chemistry
The reaction X + Y > products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are
asked by Jamie 
Intermediate Algebra
I am suppose to do a graph using these numbers: 6x  2y = 2 9x  3y = 1 but I cannot get the graph link to come up any suggestions.
asked by Gail 
physics
A steel ball is dropped from a height of 50.0m. How far does this ball travel after 3 seconds?
asked by Carman 
Finance
3. Your firm is considering buying a new machine that costs $200,000, is expected to generate $110,000 in new revenue each year and will cost $45,000 a year to operate. If your firm's marginal income tax rate is 35% what is the Net Cash Flow your firm will
asked by Whitney 
Chemistry
The human body obtains 1094 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
asked by Mr.Chem 
English
I still have a few more doubts on some sentences. I hope you still have time to check them. 1) Victorian values consisted in (better: implied) the possession of a comforable house, chariable activity (not actions?) and attending the church regularly. 2) As
asked by Mike 
math
whats the total surface area of the five sides( rectangular solid)? 20in., 24in, 8in.
asked by Ally 
accounting
a mutual fund has total assets of $57000000 and liabilities of $ 8550000. if 15960000 shares are outstanding, what is the net asset value of the fund?
asked by lisa 
Calculus
Identify any xvalues at which the absolute value function f(x) = 6 x + 7, is not continuous: x = _____ not differentiable: x = _____
asked by Cesar 
calculus
how do you solve the folowing question giving respect to the given variable x 2(3 x + a)b(2x)=3(x+1)
asked by Anonymous 
math 117
Can you solve this radical expression? 3ã8+2ã8 Can someone help me on this problem, I am very lost.
asked by Tracy 
algerbra/math
His brother Carlos has 10 more games than Juan has. Write an algebraic expression the shows how many more games Carlos has than Juan
asked by Sky 
algerbra/math
Jolene has twice as many games as Juan. Write an algebraic expression that shows how many games Jolene has.
asked by Sky 
Spanish
7. "¿A qué hora llegaste esta mañana?" "_____a las ocho." a. Llegué b. Llegamos c. Llego d. Llegó B? 8. "¿Dónde lo viste?" "Lo _______ en la esquina." a. ve b. viste c. vi d. ven A? 9. Mi hermano fue ___ y _______ tescientos dólares para comprar
asked by mysterychicken 
algerbra/math
Don has three times as many games as Carlos. Write an algebraic expression that shows how many games Don has
asked by Sky 
algerbra/math
Don's little sister Nadia has half the amount of games Don has. Write an algebraic expression that shows how many games Nadia has.
asked by Sky 
algerbra/math
Leo has 1/5 of the amount Don has. Write an algebraic expression that shows how many games Leo has
asked by Sky 
PhysicsPlease checkI had something wrong with my
Would changing the frequency of a wave cause a change in amplitude? I would say only if the wave velocity remains the same because if the frequency increases, vibrations increase and then amplitude would decrease, correct? If I had a wave diagram will 4
asked by Joelle 
chemistry
The specific heat of the dilute NaCl solution formed during the neutralization of the HCl is about 2% less than the 4.184 J/k g assumed in the calculation for the molar heat of neutralization of the acid. How will this affect your final result for the heat
asked by kate 
math
7.1+18.6=
asked by nina 
physics
Two objects .25m apart exert a force of 2.5x10 to the 11 power on each other, if thier total mass is 4kg, what is the mass of each?
asked by mark 
physics
Two objects .25m apart exert a force of 2.5x10 to the 11 power on each other, if thier total mass is 4kg, what is the mass of each?
asked by mark 
Math
I am writing a Commerical/Advertisement and my audience is single Proportion looking for the perfect match. My Topic I am making the AD is: Proportions: When are two fractions ever a perfect match to each other? I don't understand what my topic is and what
asked by Sumaiya my 4th type posting this so plzz answer 
math
What is 10(5)=?
asked by rachel 
cultural diversity
an early learning center that emphasizes "product" over "process" would
asked by Anonymous 
math 117
How about this one can you help me out on it?? 5*square root of 4 + 10*square root of 4
asked by Tracy 
society
two ways American institutions have brought oppressed groups closer to the American dream
asked by pat 
algebra2
What is the relationship between the degree of a polynomial and the number of zeros (roots) it posses? Be sure to explain in your answer how prime polynomials violate this relationship.
asked by jodie 
society
consider the level of individual commitment required to foster pluralism in society
asked by zay 
soc 120
Can countries such as the United States continue to grow and develop without causing environmental damage?
asked by meshelle 
geometry
what is the area of parallelogram XYZW with base 4 units and height 6 units?
asked by yunis 
French
I have this chart thing made for french with all the months, and I basically have to list down holidays and stuff which occur in those months and that too in French. So this is what I have so far, and please add anything that I don't have. Thanks *I also
asked by Ayu 
English
Here are some more sentences I'm still doubtful about. Thank you very much! 1)Industry dealers, who had settle school lessons dedicated to workers' sons, didn't follow the law. 2) (Correction: Factory owners, who were forced by law to teach their
asked by Mike 
chem
Name the phase transition in each of the following situations and indicate whether it is exothermic or endothermic. (a) Frost appears on a window on a cold winter day. Is frost considered a liquid? I am really confused thanks:)
asked by Rebekah 
calculus
Suppose A is a positive real number and mA is the average value of (sin(Ax))3 on the interval [0; 2]. Compute mA. what is lim mA as A goes to infinite?
asked by m 
math 117 for bobpursley
How about this one can you help me out on it?? 5*square root of 4 + 10*square root of 4
asked by Tracy 
math
It took Melanie 161 minutes to do her homework last night. About how many hours did she spend on her homework?
asked by Ally 
math
What is the equation of the line that contains the points with (x,y) coordinates (–3,7) and (5,–1) ?
asked by Evi 
Chemistry
Pb(C6H2O2)2+KCl= ???
asked by Artie 
math
what is the radius of a sphere if the volume is 2123 cubic cm
asked by Gwen 
spelling
i need words that end with ant and ance but they have to be the same words like distant/distance
asked by ashley 
PHYSICS
A person who weigh 500N climbs a flight of straight from the ground to the 4th floor of a building in 40sec. If the height of 4th is 10m find A... power in watts b.....power in Hp
asked by EM 
chemistry
determine the number of particles for each formular units upon dissolving in water. a0.025m NaNO3, B. 0.025m Pb(NO3)2 CD.C12H22011 D. 0.035m k2S
asked by bimbola 
geometry
what is the perimeter of a regular octagon whose sides are 9.4 centimeters long.
asked by Aaron Penley 
math
derivative of ln(x^3 + 2)
asked by jack 
Business Psychology
Describe major factors related to individual differences that affect job performance. Include factors of multiple intelligence, mental ability, skills, personality traits, and cultural behavior. Utilize at least one outside source in this discussion
asked by Sherri 
binominals
what is (y+7)x(y+3) ?
asked by laura 
FRENCH
Estce que tu preferes aller a Forte1.DeFrance, a Annecy ou a Quebec? Pourquoi? I do not know how to answer this question, what I want to say is that: I would prefer to go to fortedefrance, a Annecy, and a Quebec because they are all beautiful places
asked by AnySome 
math
The following pattern continues indefinitely: REPEATREPEATREPEAT 1) What is the 38th letter in the pattern? Explain answer. 2) What is the 40th letter in the pattern? Explain answer. 3) What is the 604th letter in the pattern? Explain answer.
asked by stacy 
Chemistry
what was the first sample in the ChemQuandry and where is it used
asked by Jessica 
math
I need someone to help explain how this math problem works. I am not sure how to convert this fraction below to arrive at 100.8 degress. 7/25 .360 degrees=100.8 degrees How did this answer of 100.8 degrees come about in this equation?
asked by Dave 
math
integration by parts  Integration of x^2 ln(x^3+2)
asked by zooey 
Calculus
Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)
asked by Lisa 
geometry
The measure of an angle of a parallelogram is 12 degrees less than 3 times the measure of an adjacent angle. find the measure of all the interior angels of the parallelogram.
asked by Sarah 
Physical ScienceSould you please check my explana
If I put my finger in a glass of water or a glass of oil, which would make my finger look bigger and why? I think it would be oil because of the why the light is refracteda thicker medium would bend the light more than the water
asked by Ray S. 
Physics
Two point charges are separated by 10.0 cm and have charges of 2.0 μC and 2 μC, respectively. What is the electric field at the point midway between the two charges? (k = 8.99 x 109 N.m2/C2) A. 28.8 x 10 6 B. 14.4 x 106 C. 7.19 x 106 D. 3.59 x 106 E.
asked by Anthony 
us history
The goal of America's containment policy was to?
asked by me shawdie 
algebra
what is (8.1 x 10^9) x (4 x 10^2)?
asked by stacie 
math
what is the answer of this problem:3(a+3b)+(1)(a+3b)7+3(3a+b)
asked by savana 
Algebra 2
Add. (1/12x^4 +8/9x^3 +5/8x^2 +5) + (7/12x^4 +3/8x^25. I apologize the previous problem was the incorrect one. This is the correct problem. Thank you.
asked by Esther 
Algebra 2
Add. (1/4x^4+3/4x^3+7/8x^2+9)+(3x^4+1/8x^29. Please help, this is like chinese to me. Thank you.
asked by Esther 
Algebra 2
Add. (1/4x^4+3/4x^3+7/8x^2+9)+(3x^4+1/8x^29. Please help, this is like chinese to me. Thank you.
asked by Esther 
Algebra 2
Add. (1/4x^4+3/4x^3+7/8x^2+9)+(3x^4+1/8x^29. Please help, this is like chinese to me. Thank you.
asked by Esther 
english
one example of symbolism in the short story ''A company full of laughing faces''. pl help
asked by ted 
Algebra II
This is a quadratics function question. D: A company charges 20$ for a subscription to something and gains 30,000 subscribers. It looses 1,000 subscribers for every 1$ they raise the subscription price. If you could help me, that would be wonderful.
asked by c: 
Math
x^2+19x+12=48
asked by Danielle 
art
ok tHE ARRANGE MENT OF THE SUBJECT MATTER OR THE SHAPES IN A PICTURE IS ~_ _ _ _ _ _ _ _ _ _ _.
asked by READ ME!! NEED HELP PLEASE!!!!!!!!!!!!! 
AP English Language
Identify the rhetorical device or devices used in each of the following: 1. Finally,brethren, whatever is true, whatever is honorable, whatever is right, whatever is pure, whatever is lovely, whatever is of good repute, if there is any excellence and if
asked by Abisola 
physics
A railway track travelling along a level at 9 m/s collides with, and becoms coupled to a stationary truck. Find the velocity of the coupled trucks immediately after the collision if the stationary truck has a mass which is : A ) equal to the mass of the
asked by Nelly 
child care
2. The ability to communicate feelings is one of the goals of
asked by Anonymous 
language arts
In word part break downs the word Comedian contains the word parts comed and ian meaning?
asked by Nicole 
Math
How do you multiply this polynomial (3m+4n)2
asked by Cory 
physics
A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude
asked by Anonymous 
MLA
What is an MLA work cited?
asked by Planetearthturnsslowly 
physics
A boy of mass 54.3 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.4 m/s. The boy falls off the skateboard, and his center of mass moves forward at a speed of 10.9 m/s. Find the final velocity of the skateboard. magnitude
asked by Anonymous 
physics
You are hired as ballistics expert and need to measure the muzzle speed of the bullet (with a mass, m = 20 g) for the gun. You fire a ballistic gun horizontally into a 2kg ballistic pendulum (M = 2 kg) hanging at rest on a massless rod. After the bullet
asked by Anonymous 
Physics
Increasing the voltage across the two plates of a capacitor will produce what effect on the capacitor? a. increase charge b. decrease charge c. increase capacitance d. decrease capacitance how do i approach this one?
asked by Kris 
French
i know size adjectives come before nouns in french, but what if it's in a metaphorical sense? (for example, short lifewould it be vie courte or courte vie?)
asked by Cady 
social studies
In the Country of haiti, there was an Earthquake. The International Red Cross came to help with this disaster. With Foreign Policy Makers (Deciders) Which decider would follow this example; President, Secretary of State, national security advisor,
asked by cristal 
English
Here are the last sentences I forgot to include before. Thank you very much. 1) Natural behavior, that is to say irrational and unrestrained, was considered good in contrast wt rational behavior. 2) Humble people were considered unspoilt by civilization.
asked by Mike 
Chemistry
How much energy is gained by a 40.8g sample of water whose temperature increases from 22 degrees celsius to 35 degrees celsius when left in the sun?
asked by Elizabeth 
Calculus
Sorry for posting another quesiton..; f(x) = { 7x^2 + 7x for x0 According to the definition of derivative, to compute f'(0), we need to compute the lefthand limit lim x> 0− = _____ and the righthand limit lim x>0+ ______ We conclude that f'(0)=
asked by Cesar 
calculus
Let P(t) represent the number of wolves in a pop. at time t in years, when t is greater than or equal to 0. The pop. P(t) is increasing at a rate directly proportional to 800P(t), where the constant of proportionality is k. I just want to know if my
asked by Anonymous 
please help java
please help me with that as soon as any bady can processExpression  this method should take a String in the format: "integer [[+*/] integer]*]" Your method should then process this expression and return the result as an integer. You must solve this
asked by reima 
alg readiness
How many dimes are in 4 and threefifths dollars?
asked by Kallie 
Physics
A 11.3 weather rocket generates a thrust of 240 . The rocket, pointing upward, is clamped to thetop of a vertical spring. The bottom of the spring, whose springconstant is 570 , is anchored to the ground. Initially, before the engine is ignited, therocket
asked by Irina 
chemistry
how much heat is required to raise the temperature of one mole of NaCl(s) by 15 degrees celsius at constant pressure
asked by emoni 
chemistry
How do you calculate, as an example, [Fe3+] which remained unreacted in a solution, i.e. the equilibrium molarity of Fe3+? The actual question being, on my part, what equation would you use to figure this out? How would you solve this?
asked by jen 
Physics
how high does a stone rise if it is initially thrown at a rate of 15m/sec
asked by kaleab 
Science
What happens first in a lunar eclipse?
asked by Kelly 
math
find the sum of2 3/4 and 2 4/5.find the differnce between this sum and 6
asked by gillian 
Traveling(saving money)
how much are plane tickets to: india england
asked by Charlie 
math
the quotient of h and 6 is at least 5. in equation form
asked by Mike 
Chemistry
Why would an alcohol/water mixure not freeze at constant temperature.
asked by Jude 
math
the quotient of h and 6 is at least 5. in equation form
asked by Mike 
math
how many outcomes do you get when you have 1 shirt 1 sweater 1 pants
asked by Anonymous 
calculus
If x^{2} + y^3  x y^2 = 5, find dy/dx in terms of x and y. Using your answer for dy/dx, fill in the following table of approximate yvalues of points on the curve near x=1, y=2. Finally, find the yvalue for x=0.96 by substituting x=0.96 in the original
asked by Anonymous 
english
what does "services rendered" mean? like work to be done?
asked by Amy 
math
into a rectangle could make two, two could do four in 3 would be 6 and so on. The question is: Describe how to find each "next nunber" of rectangles, without drawing the figure:
asked by Micaela 
Math
Solve the linear programming problem by the method of corners. Minimize C = 3x + 7y subject to 4x + y ≥ 39 2x + y ≥ 29 x + 3y ≥ 42 x ≥ 0, y ≥
asked by ANGELA 
Environmental engineering
(10 Points) A contractor is trying to estimate the distance to be expected of a drawdown of 4.81 m from a pumping well under the following conditions: Pumping rate = 0.0280 cubic meter per seconds Pumping time = 1066 d Drawdown in observation well = 9.52 m
asked by Jazmin 
Math
Solve each system x + 3y = 6 4x  5y = 7 I need to know what x and y equal??
asked by Melanie 
3rd grade Math
There are 4 square units in a row of carpeting , and 3 rows in Daniel's finished basement. How many square units of carpeting does he need to cover it completely. Thank you!
asked by Dominique 
Math
How do you calculate 420 divided by 5/8?
asked by confused mama! 
math 95
2+x18/(x3)(x^29)
asked by TY Brown 
math
A b C D is a quadralateral Diagonal AC is drawn assume that angle cab is congruent to cad and ab=ad Is triangle abc congruent to adc?
asked by MEV 
french
I NEED HELP!
asked by Oshie T. 
English
I need to write a Reading Response to "Why We Crave Horror Movies" by Stephen King. I need help figuring out the theme to the essay.
asked by Meghan 
Math grade 3
Identify the attributes of the shapes. Which attributes change according to a pattern?
asked by Donna 
math
I don't understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test
asked by sue 
algebra
I need to solve Y+15=18
asked by Shanice 
social studies
I need 3 facts about the code of Chivalry
asked by Ana 
math
how many weeks are in a year
asked by Anonymous 
Functions
What is 2x times 2004x/3? {2x(4x+200/3)
asked by Samuel 
Chemistry
How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.
asked by Lisa 
physics
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water
asked by tish 
maths, economics, game theory
1. What is a degenerate game? 2. Is the following game degenerate or not, justify. 3. Find all nash equilibria in the game in pure or mixed strategies a b c d T 4,5 1,4 2,0 1,2 B 6,0 0,1 1,3 0,2
asked by zayn 
physics
If a washing machine's drum has a radius of 24 cm and spins at 4.1 rev/s, what is the strength of the artificial gravity to which the clothes are subjected? Express your answer as a multiple of g.
asked by Tin 
Chemistry
Hi I am doing a lab report for the kinetic behaviour of phenolphthalein in aqueous solutions. I did two runs, each with different concentrations of OH, and Cl. I have graphed x, ln x, and 1/x to determine which one has the most linear plot to determine
asked by Sara 
chemistry
(10 Points) A water initially contains 50 mg/L of Mg 2+ The pH of the water is increased . until the concentration of hydroxide ion is 0.0005 M. Calculate the concentration (mg/L) of magnesium ion in this water at this pH. Assume that the temperature of
asked by Jazmin 
Math
divide 891 by 40 and write the quotient as a mixed number
asked by Greyson 
English
Can you please check these sentences? Thank you very much. 1) Vietnam was divided into two parts after World War Two. North Vietnam was communist under the governement of Ho Chi Minh whereas South Vietnam was under control of the US. 2) The USA started to
asked by Mike 
Math
into a rectangle could make two, two could do four in 3 would be 6 and so on. The question is: Describe how to find each "next number" of rectangles, without drawing the figure:
asked by Micaela 
physic
A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate of 15 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b)4.2 s after launch
asked by tish 
CHEMISTRY: DUE TONIGHT. CHECK MY ANSWER?
1. For the simple decomposition reaction below, rate = k[AB]2 and k = 0.40 L/mols. AB(g) A(g) + B(g) If the initial concentration of AB is 1.60 M, what is [AB] after 13.0 s? ANSWER: (.4)(13)=5.2 1/1.6=.625 5.2.625=4.575 1/4.575= .2185 I tried .22 & .21.
asked by Ashley 
Religious Studies
Just need sme help with these questions: 1. Timothy 3:16 says that all scripture is inspired by God, what exactly does this mean? 2. If yu were a liberal Christian how would you interpret the creation story in Genesis 13? 3. If you were a fundamental
asked by Hannah 
Physics Mechanics
Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, free of the spring. The mass of A is 3.00 times the mass of B, and the
asked by D 
analogies
brother is to mother as fly is to what
asked by Anonymous 
english
25 independent words
asked by kofi 
analogies
mountain is to fountain as change is to what?
asked by Anonymous 
Physics
When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the neck. This can be accomplished with the system of pulleys shown in the figure. The pulleys are all small and extremely light in
asked by Carl 
help please i need the code
processExpression  this method should take a String in the format: "integer [[+*/] integer]*]" Your method should then process this expression and return the result as an integer
asked by reima 
analogies
boil is to soil as goat is to what?
asked by Anonymous 
College Math ll
Area of a painting A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find the binomial that represent the length
asked by alice 
trigonometry
is this correct? sin 255degrees 225 = 180 + 45 sin(225) = sin(180 + 45) = sin(180)cos(45) + cos(180)sin(45) sin(225) = 0 + (1)(sqrt2/2) sin(225) = (sqrt2)/2
asked by anon 
chem drbob222 please help
my original question was: how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C? chem  DrBob222, Tuesday, February 22, 2011 at 10:52pm q = mass water x delta Hvaporization. chem  Rebekah,
asked by Rebekah 
geometry
If the area of a square is 100 cm. What is the area of each triangle produced if you draw two diagonals in the square?
asked by Michele 
sociology
Marx weber agreed with Marx on the role economic and political conflicts play to change socities. And yet, weber disagreed with Marx about leadership, outcome, and measures of power.
asked by keisha 
math
can anyone tell me what 10^8 is?
asked by laura 
analogies
flower is to rose as tree is to what?
asked by Anonymous 
Chemistry
Why AgSCN is selectively precipitated before the formation of FeSCN2+? given that Ksp of AgSCN = 1x10^12 and Kinstab of FeSCN2+ = 7.1x10^3
asked by anna 
Math (Help This Will Be on My Test Tomorrow!)
What is 2x times 2004x/3? {2x(4x+200/3)
asked by Samuel 
physics
At time t=0 a projectile passes through the point (0,0,192) with a velocity v=10i2j+16k. Because of spin and gravity, the projectile experiences an acceleration given by a=2i32k. a. Find the velocity v(t) and position vector R(t) at time t>0. b. At what
asked by nicole 
analogies
mountain is to fountain as change is to what?
asked by Anonymous 
chemistry
a. trans4octene is reacted with H2O in the presence of H+. Do not show stereochemistry draw hydration product formed
asked by Anonymous 
math
a grocery store stocks 3 brands of yogurt.store sells two containers of brand A yogurt for every one container of brand B or brand C yogurt.if the store sells 100 containers of yogurt a day,how much of each brand of yogurt do they sell?
asked by mamta 
math
How do angles in a quad add up to 540. when split into triangles
asked by james 
Social Studies
Document Based Question Essay Question: The debate over the extent of federal power with regard to the states dominated the political scene the first twenty years of the postRevoluntionary War United States and would set the stage for future division
asked by Isabella 
math
How do angles in a quad add up to 540. when split into triangles
asked by james 
MATH
how can you tell the fraction and the angle measure of rotational symmetry in an octogon. i need the smallest turn that matches the original figure hope i made sense!!!
asked by Kristy 
7th grade math
The volume of a cube is 343 mm2. What is the length of one side of the cube?
asked by Lauren 
Physics
What is the time lapse between seeing the lightning strick and hearing the thunder 17 km away
asked by Matt 
Finance
A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his third payment goes toward repaying principal?
asked by Adam 
math
I need help graphing equations and inequalites like 5x+4y=20,6x2y=4,3x+y=5, and 3xy=0
asked by Christina 
Medical Coding, Part 1
10. Which of the following codes is used for the diagnosis "closed dislocation of the sternum"? A.839.61 C. 839.71 B.839.8 D. 839.9 11. A 50yearold new female patient has had a sore throat and head congestion for five days. The physician performs an
asked by eli 
Bentonia Gibbs
Choose an appropriate scale and interval size for a frequency table that will represent 2341, 2590, 2718,2453, 4160, 2635, 2734,3362, 2744, 2485, 3395, 2350, 4000, 2964, and 2600.
asked by Shineda 
math
\;\normalsize{3log_a 4  2log_a 3 + 5log_a 1 }
asked by Anonymous 
physics
A ball is thrown up onto a roof, landing 4.50 s later at height h = 20.0 m above the release level. The ball's path just before landing is angled at θ = 54.0˚ with the roof. (a) Find the horizontal distance d it travels. What are the (b) magnitude and
asked by Bob 
math
\;\normalsize{3log_a 4  2log_a 3 + 5log_a 1 }
asked by Anonymous 
Calculus
Find the tangent approximation for sqrt(5+x) near 3
asked by Lisa 
physics
During a circus performance, a 67.2kg human cannonball is shot out of a 17.1mlong cannon. If the human cannonball spends 0.772 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
asked by heather 
math
HELP ME PLEASE!!!!! Convert to an improper fraction. Type in your answer with the negative in the numerator. 11 1/3= I have NO clue how to do this!?
asked by giana 
PhysicsPlease check?
Would changing the frequency of a wave cause a change in amplitude? I would say NO because they don't affect each other, correct? If I had a wave diagram will 4 complete waves showing and it said the diagram represented 4 sec in time the frequency would be
asked by Joelle 
Chemistyr
BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2 KCl(aq) How many milliliters of 0.1200 M K2CrO4(aq) will react with 0.045 mol of BaCl2(aq)?
asked by Anonymous 
English
Can you please check these sentences I'm unsure of? Thank you very much 1)Nature was given great importance. (not "a" great importance) 2) He calls his students little pitchers to be filled with facts. 3) Its inhabitants were affected (or the health of its
asked by Mike 
physics
A football kicker can give the ball an initial speed of 30 m/s. What are the (a) least and (b) greatest elevation angles at which he can kick the ball to score a field goal from a point 48 m in front of goalposts whose horizontal bar is 3.44 m above the
asked by Johnny 
Chemistyr
BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2 KCl(aq) How many milliliters of 0.1200 M K2CrO4(aq) will react with 0.045 mol of BaCl2(aq)?
asked by Anonymous 
college physics
An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?
asked by jc 
BIOLOGY
Why are seeds considered a more effective means of reproduction than spores in a dry environment?
asked by HELP?!?! 
Physics
A cat rides a merrygoround turning with uniform circular motion. At time t1 = 1.80 s, the cat's velocity is (3.60 m/s)i + (2.00 m/s)j , measured on a horizontal xy coordinate system. At t2 = 5.70 s, its velocity is (3.60 m/s)i + (2.00)j . What are (a)
asked by leo 
math
find the distance between the two points(7,3)(1,5)and(8,2),(4,1)
asked by quincy 
college physic
a rifle that has been ‘sighted in' for a 91.4meter target. If the muzzle speed of the bullet is v0 = 328 m/s, there are the two possible angles è1 and è2 between the rifle barrel and the horizontal such that the bullet will hit the target. One of
asked by jc 
math
gcf of 8/5
asked by mohamed 
geometry
a cube is placed inside a right circular cylinder. How may cubic feet of water will file the cylinder that has the cube in it? The sides of the cube are 24. The radius of the cylinder in 12 square root of 2 thanks you
asked by jenny 
Microbiology
Gram stains and acidfast stains of pus showed grampositive acidfast rods. What are the possible organisms?
asked by Stephanie 
college physics
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water?
asked by jc 
chemistry
What is the approximate thermal energy in kJ/mol of molecules at 275° C
asked by Sandra 
physics
a stuntman runs on a roof and without giving himself a vertical impetus, wants to land on another roof, 2m lower and 5m further horizontally. What is the minimal velocity he needs to run at?
asked by Ralph 
Chemistry
Seawater contains 0.412 g Ca per kilogram of water. What is the number of moles of Ca per kilogram of water? What is the concentration of Ca measured in ppm? For the first question, it's changing the grams of Ca to moles of Ca. Is it .412 g / 39 g = .0105
asked by Unknown 
physics
We throw a ball horizontally at 10m/s. (a) after how much time does the trajectory form a 30 degree angle? (b)after how much time after the throw did the velocity double?
asked by Ralph 
Chemistry
What volume of dry hydrogen would be produced under standard consitions when 0.250g of magnesium reacts with excess HCl?
asked by Richard 
w.e u want ti bve
what does this represent? 5=3x+5
asked by today 
math
tell how many minute have passed and how many degree the minute hand has roteted from 3.33 to 3.45 minute pass the minute gand rotates degree
asked by brandon 
math
The altitude of a triangle is increasing at a rate of 3 centimeters/minute while the area of the triangle is increasing at a rate of 7 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 22 centimeters and the
asked by Tim 
geometry
What is the length of an equilateral triangle whose altitude has a length of 21
asked by Anonymous 
CHEM 11 !
What mass of oxygen is contained in 10.5 micromoles of Cr(NO3)3 * 6H20?
asked by LoBO 
English
These are the very last sentences. I really hope you can check them. It is really urgent. Thank you in advance. 1) Bitzer embodies the word of facts, in which Mr. Gradgrind believes. Society was regarded as an evil force, which prevented men from behaving
asked by Mike 
math
T SHAPED PLAYROOM WITH A PERIMETER OF 30 INCHES
asked by najebe 
Chemistry
Assume equal aqueous concentrations of each of the following substances. Which has the lowest freezing point? C2H12O6 CH3OH C12H22O11 NaOH i say its NaOH am i right ?
asked by Jazmin 
math
A triangle whose sides are 5,12, and 13 inches is similar to a traingle whose longest side is 39 inches. What is the perimeter of the larger triangle?
asked by erika 
gr4math
how do u rotate a triangle? using its coordinates and a protractor?
asked by quick help! 
math
is zero a multiple of every number? Find the prime factorization of the number, and write it in exponent form. 198 Compute the value of the given expression. _8_ 118 Evaluate the expression. 8x + 8y, for x = 8 and y = 1
asked by Anonymous 
basic math
how can i solve 5/30+3/40+1/8
asked by joann 
ap chemistry
methanol and ethanol are common organic solvents. if the mole fraction of CH3OH in a mixture of the two solvents is 0.4 what is the mole fraction of methanol in the vapor in equilibrium wih the liquid mixture at room temperature 25 celius. the vapor
asked by jj 
science
I need help doing examples for newton's 3 laws of motion....can you help me?
asked by joe 
math
1.5=3/y what does y=
asked by stormy 
MATH
regular pentagon Side length(inches) 6 If its 6 what is the perimeter( inches)
asked by macy 
physics
Estimate the speed of the parachutist descending at the constant velocity with open parachute. Assume the area of the parachute, A = 30 m^2, mass of a person, m = 100 kg, and density of air, roh = 1 kg/m^3. Enter the answer limited to the second decimal
asked by Anonymous 
phyiscal science
The process by which the sun gives us heat is
asked by chell.bell 
physics
A speeder passes a police car while traveling 130km/h. the police car imediently starts to accelerate at 10m/s^2 until the police car catches up to the speeder. how long does it take the police car to catch up?
asked by Ty 
English
Can you please suggest internet sites where I can find fillintheblank exercises to practice computerrelated terminology. Thank you. Here are some more sentences I'd like you to check. 1) The family was conceived as a patriarcal unit. 2) Women had the
asked by Mike 
A Level Law
fred has been arrested for murder what are his rights at police station and are they adequatly protected during detention searches and interviews
asked by elizabeth 
Math
Find the following function y=[(x5)(4x+3)]^5 I arrived at 5(6x2)[(x5)(4x+3)]^4 The answer is 5(8x17)[(x5)(4x+3)]^4 but I am not sure how they got the 8x17
asked by Hannah 
economics
The producer price index measures
asked by Anonymous 
Math
I am writing a Commerical/Advertisement and my audience is single Proportion looking for the perfect match. My Topic I am making the AD is: Proportions: When are two fractions ever a perfect match to each other? I don't understand what my topic is and what
asked by Sumaiya 
physics
The International Space Station, launched in November 1998, makes 15.65 revolutions around the earth each day in a circular orbit. Apply Newton's second law to the space station and find its height (in kilometers) above the earth's surface.
asked by andrea 
physics
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.07 m, measured from its tip to the center of the circle. Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point
asked by heather 
social studies
explain how home,community,school all work together for children?
asked by earl 
math
Find the GCF of the numbers using an appropriate method. 84 and 126 Find the prime factorization of the number, and write it in exponent form. 198
asked by Anonymous 
ALGEBRA
The distance between (0, 0) and (0, 1) on a certain coordinate plane is 1cm. The distance between (0, 0) and (1, 0) on that same coordinate plane is 1cm. What is the distance between (0, 0) and (1, 1)? Explain your answer.
asked by Ap 
The World History
I need help with the answers to exams of this subject please anyone can,, on exams007678,007680,007681,007682 please send as soon as possible thanks to the one that is willing to hlep..
asked by Peggy 
physics
An Atwood machine consists of two masses (m1 = 175 grams, m2 = 485 grams) connected by a string over a frictionless pulley. The initial height above the floor is 157 cm. Both masses start from rest at point A ; point B is just as m2 hits the floor. What is
asked by Bill 
math
what is unit rate"?!
asked by shesh 
Math
x + 2 + 2  x < 8
asked by Joey S 
World History Honors
Compare the differences and similarities between the militarists in japan and the european fascists. thanks for any help, much appreciated! :) nicole
asked by Nicole 
reimbursement methodology
Differentiate between the official coding guidelines for using V codes in an inpatient and outpatient settong
asked by kim 
socialstudies/reading
when was phillis wheatly born?
asked by janiaya 
physics
A 5.0 kg bullet hits a 2.0 kg block of wood at 400. m/sec and is imbeeded in it. What will be the velocity of wood and bullet after impact?
asked by Anonymous 
Physics
A proton has a mass of 1.672 X 10 27 kg. What is its weight? (using 9.81 for gravity)
asked by Ashley 
grammar
Are my sentences of appositive and appositive phrases correct? we planted a small tree, brought by my father, in the park and called it a "family tree." The reunion site, in the empty room, took us hours to clean up.
asked by sgf 
physics
Suppose the centripetal acceleration of the sample is 7.95 x 103 times as large as the acceleration due to gravity. How many revolutions per minute is the sample making, if it is located at a radius of 3.08 cm from the axis of rotation?
asked by heather 
physics
The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a
asked by heather 
physics
A mass of 0.755 kg is attached to a horizontal spring of constant 403 N/m as shown. The system is compressed a distance xa = 20.8 cm from its equilibrium position and released from rest. The coefficient of friction on the surface is μ = 0.354. The mass
asked by Matt 
Chemistry
in a closed system at 40 C, a liquid has a vapor pressure of 50 KPa. the liquid's normal boiling point could be (1)10 C (2)30 C (3)40 C (4)60 C
asked by Hannah 
physics
In a skating stunt known as "crackthewhip," a number of skaters hold hands and form a straight line. They try to skate so that the line rotates about the skater at one end, who acts as the pivot. The skater farthest out has a mass of 69.0 kg and is 5.50
asked by heather 
math
a river flows at 2km/hr and sarah takes 6 hrs to row 16km up the river and 16km back.how fast did she row?
asked by brittany 
AP Biology
the process of making a complimentary copy of the DNA to form RNA is called?
asked by unknown 
physics
A stone has a mass of 6.01 g and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.948. When the tire surface is rotating at 14.7 m/s, the
asked by heather 
physics
A "swing" ride at a carnival consists of chairs that are swung in a circle by 16.6 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 239 kg. (a) Determine the tension in the cable
asked by heather 
Math/Finance
A guy buys a car for $29,000 and finances it with a four year, 7% APR with monthly payments and compounding. How much of his third payment goes toward repaying principal?
asked by Adam 
physics
Two banked curves have the same radius. Curve A is banked at 11.0 °, and curve B is banked at an angle of 17.4 °. A car can travel around curve A without relying on friction at a speed of 15.3 m/s. At what speed can this car travel around curve B without
asked by heather 
physics
Two banked curves have the same radius. Curve A is banked at 11.0 °, and curve B is banked at an angle of 17.4 °. A car can travel around curve A without relying on friction at a speed of 15.3 m/s. At what speed can this car travel around curve B without
asked by heather 
Physics
How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000g's?
asked by Emily Grossman 
physics
A satellite is placed in orbit 2.75 x 105 m above the surface of Jupiter. Jupiter has a mass of 1.90 x 1027 kg and a radius of 7.14 x 107 m. Find the orbital speed of the satellite.
asked by heather 
Accounting
how do i record a refund on a accounting equation?
asked by Molebogeng 
physics
Suppose the radius of the room is 3.97 m and the speed of the wall is 12.0 m/s when the floor falls away. The source of the centripetal force on the riders is the normal force provided by the wall. (a) How much centripetal force acts on a 56.0 kg rider?
asked by heather 
Algebra 2
Divide and check. Write your answer using non negative exponents 40x^2y^2/5x^4y^2. Thank you.
asked by Esther 
psyology
describe why it is important to consider each domain in the study of adult development
asked by gary 
physics
consider the magnitude of the normal force that the pilot's seat exerts on him at the bottom of a dive. The plane is traveling at 273 m/s on a vertical circle of radius 706 m. Determine the ratio of the normal force to the magnitude of the pilot's weight.
asked by heather 
physics
A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.
asked by pete 
physics
A child is twirling a 0.0165kg ball on a string in a horizontal circle whose radius is 0.149 m. The ball travels once around the circle in 0.543 s. (a) Determine the centripetal force acting on the ball. (b) If the speed is doubled, by what factor does
asked by heather 
physics
A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.
asked by pete 
science
what is the force used to accelerate a 50g toy car at a rate of 4m/s/s?
asked by taylor 
physics
A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.
asked by pete 
social problems
A recent development that has reduce the payoff of education is the:A) disparity between educational attainment and number of jobs available for skilled workers b)fact that best education is available only to those from higher socioeconomic strata
asked by vedrana 
Earth science
what is the most important reason that sediments at beaches are usually rounded and smooth
asked by Michael 
statistics
A researcher randomly selects 37 subjects and administers an attitude test regarding a product. Their mean is 22 and their standard deviation is 2.4. Construct the 90% confidence interval for the mean score of all such subjects
asked by mandy 
Precalculus
The directions are write the expression as the sine, coine, or tangent of an angle. (tan 25 degrees + tan 10 degrees) / [1  [(tan 25 degrees)(tan 10 degrees)]]
asked by Angela 
CHM general 2
Indicated whether the calculated molarity of NaOH would be lower or higher Than the real value; or unaffected? a) the water of the NaOH solution is not boiled and cooler before the solution is prepared b) The buret, wet with water, is not rinsed with NaOH
asked by Grettel 
physic
If the work required to speed up a car from 13 km/h to 20 km/h is 6.5×103 J, what would be the work required to increase the car’s speed from 20 km/h to 35 km/h?
asked by paul 
LA Writing
Can somebody score my 200word essay? Its not exactly 200 words. What it means to be successful Being successful has a different meaning to everyone. One would think that this is a very important thing in life. People strive for success, but not everyone
asked by yuyu 
math
A piece of cloth that measures 1 yard in length is about the same length as cloth measuring___________ in length.
asked by Ally 
vocabulary
which of these words probaby comes from the latin word conducere ,meaning to lead together
asked by dalila benjamin 
PhysicsCould someone please help me?
Could someone provide me with a simple explanation of how the Doppler Effect is used to determine the speed and direction of moving object
asked by Julia 
Chemistry
What is the pH of a 0.94 M solution of HBrO that is also 0.59 M in magnesium hypobromite, the salt of it's conjugate base? The Ka for HBrO = 2.8 X 109.
asked by Carl 
physics
How long would a 150 W lightbulb have to glow to produce the same amount of energy expended by Georgie? Answer in units of s.
asked by pete 
pre cal
a pendulum length 12.3 inches swings 2 degrees and 57 minutes to each side of its vertical position. To the nearest hundredth of an inch, what is the lenght of the arc through which the end of the pendumlum swings?
asked by ronneka 
Algebra 2
(1/16x^4 +3/8x^3 +1/8x^21)+ (9/16x^4 +7/8x^2 1) Can you please help me solve this problem? Thank you.
asked by Esther 
English
I still have some more sentences to check. I hope you can help me. By the way, do you know of any sites with fillintheblank activities on computer terminology? 1) The role of women was that of educating the children. 2) Under the influence of Rousseau's
asked by Mike