# jesse

Most popular questions and responses by jesse-
## english

Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. In this sentence i need to know what part of speech these words or phrases are:

*asked on September 30, 2010* -
## Physics

A 0.003 0-kg lead bullet is traveling at a speed of 240 m/s when it embeds in a block of ice at 0°C. If all the heat generated goes into melting ice, what quantity of ice is melted? (Lf = 80 kcal/kg, the specific heat of lead = 0.03 kcal/kg×°C, and 1

*asked on December 19, 2010* -
## physics

A 0.025 kg golf ball moving at 27 m/s crashes through the window of a house in 5.0 10-4 s. After the crash, the ball continues in the same direction with a speed of 10 m/s. Assuming the force exerted on the ball by the window was constant, what was the

*asked on January 25, 2011* -
## Physics

A child bounces in a harness suspended from a door frame by three elastic bands. (a) If each elastic band stretches 0.210 m while supporting a 7.35-kg child, what is the force constant for each elastic band? 114.33 N/m (b) What is the time for one complete

*asked on February 8, 2016* -
## trig

A computerized spin balance machine rotates a 35-inch-diameter tire at 400 revolutions per minute. (a) Find the road speed (in miles per hour) at which the tire is being balanced. (Round your answer to two decimal places.) (b) At what rate should the spin

*asked on January 23, 2014* -
## Math

There is 48 students in a class. 7 out of 8 are females what percent are females?

*asked on March 3, 2018* -
## Physics

A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a speed of 29.5 m/s and has a speed of 28.0 m/s at the top of his trajectory, determine his maximum height (h) above the end of the ramp. Ignore friction and air

*asked on January 7, 2016* -
## chemisrty

A 50.0 mL solution of 1.2 M HCl at 24.1C is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1C, in a coffee-cup calorimeter. After the reaction occurs, the temperature of the resulting mixture is 29.8C. The density of the final solution is 1.05 g/mL.

*asked on June 18, 2014* -
## physics

Two carts with masses of 15.5 kg and 1.0 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.0 m/s and 2.0 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of the two

*asked on January 26, 2011* -
## physics

A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 90°F. What is its coefficient of linear expansion?

*asked on December 19, 2010* -
## statistics

A casting director wishes to find one male and one female to cast is his play. If he plans to audition 5 males and 7 females, in how many different ways can this be done? DO NOT put a comma in your response.

*asked on March 11, 2015* -
## calculus I

a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?

*asked on November 11, 2010* -
## Maths

(3.6x10^-5)/(1.8x10^2) What's the answer in standard form?

*asked on October 27, 2018* -
## Physics CENTER OF MASS

A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius 8.00

*asked on April 10, 2016* -
## Chemistry

An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-1 M, [O2]0 = 4.1 × 10-4 M t(s)

*asked on February 18, 2016* -
## Physics

When a drag strip vehicle reaches a velocity of 60 m/s, it begins a negative acceleration by releasing a drag chute and applying its brakes. While reducing its velocity back to zero, its acceleration along a straight line path is a constant -7.5 m/s2. What

*asked on December 5, 2010* -
## physics

A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. What is the centripetal force of the ball?

*asked on July 7, 2010* -
## physics

1. A billiard ball of mass mA = 0.4 kg moving with a speed vA = 2 m/s strikes a second ball, initially at rest, of mass mB = 0.4 kg. As a result of the collision, the first ball is deflected off at an angle of 30.0o with a speed v’A = 1.2 m/s. Taking the

*asked on January 7, 2015* -
## physics

An Olympic diver falls from rest from the platform 10m high. At what velocity does the diver hit the water is acceleration in 9.8m/s^2. Do I assume "rest" means a initial velocity of 0? Could the formula be: d= (vf^2-vi^2)/2(a) ? as in d=10, a=9.8 vi=0 vf

*asked on November 18, 2014* -
## physics

For this problem use the Uniform circular motion mode of the simulation. (a) Given the limits on the sliders in the simulation, what is the maximum possible speed that can be achieved in "Uniform circular motion" mode? .25 m/s For the remaining parts of

*asked on December 20, 2009* -
## Math 7 A

Note: For questions 5 and 6, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work.

*asked on November 20, 2017* -
## Math

Two helicopters ﬂying at the same altitude are 2000m apart when they spot a life raft below. The raft is directly between the two helicopters. The angle of depression from one helicopter to the raft is 37° and the angle of depression from the other

*asked on June 13, 2018* -
## Physics

A steel wire, 150 m long at 10°C, has a coefficient of linear expansion of 11 ´ 10-6/C°. Give its change in length as the temperature changes from 10°C to 45°C.

*asked on December 19, 2010* -
## Physics

I have some physics problems that I would like to get checked please?

*asked on September 23, 2007* -
## PHysics

Vector a has a magnitude of 5 m and is directed east. vector b has magnitude of 4m and is directed 35 degrees west of north. A)What is the magnitude and direction of vector a + vector b b)What is the magnitude and direction of vector b- vector a? I should

*asked on October 2, 2006* -
## Math: Need Answer to study for a quizz. Help ASAP

Estimate the area under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3]

*asked on November 18, 2010* -
## physics

Three positive point charges of q1 = 4.0 nC, q2 = 6.4 nC, and q3 = 1.5 nC, respectively, are arranged in a triangular pattern, as shown below. Find the magnitude and direction of the electric force acting on the 6.4 nC charge.

*asked on December 17, 2010* -
## chemistry

A gas is compressed from an initial volume of 5.60 L to a final volume of 1.22 L by an external pressure of 1.00 atm. During the compression the gas releases 128 J of heat. What is the change in internal energy of the gas?

*asked on March 20, 2012* -
## Physics

An automobile driver puts on the brakes and decelerates from 30.0 m/s to 0 in 10.0 s. What distance does the car travel?

*asked on December 3, 2010* -
## Algebra II

How would you set this problem up..I know to use A=Pe^rt Larry has $2600 to invest and needs $3000 in 12 years. What annual rate of return wll he need to get in order to accomplish his goal, if interest is compounded continuously?

*asked on May 4, 2009* -
## AP Chemistry

How long, in seconds, would it take to deposit 10.5 g of copper onto an electrode from a solution of Cu2+ if a current of 2.00 A was applied?

*asked on April 13, 2018* -
## physics

Consider the limit on increasing the gravitational force by bringing the masses closer together. The two spheres of osmium cannot have their centers closer than the sum of their radii, and if the radii are made smaller, the masses decrease. To what power

*asked on January 7, 2010* -
## Maths

Harry is x years old now. 3 years ago Jenny was twice Harry's age. In three years timthe Ahmed will be 5 times as old as Jenny. Write an expression for Ahmed's ago now.

*asked on October 4, 2016* -
## chemistry

a 256 mL sample of an unknown gas was collected over water at 23 degrre celsius and 750 mmHg. the gas has a mass of 0.80 grams. what is the molar mass of the gas? (the vapor pressure of water at 23 degree celsius is 21.0 mmHg)

*asked on March 19, 2012* -
## math

Alright, let's say you want to get from one point to another, in a 3D box. all points have an x, y and z coordinate. Point A has coordinates (25,30,5) while Point B has coordinates (50,26,18). The only given variable other than the coordinates is the speed

*asked on May 27, 2008* -
## Physics

A windowpane is half a centimeter thick and has an area of 1.0 m2. The temperature difference between the inside and outside surfaces of the pane is 15° C. What is the rate of heat flow through this window? (Thermal conductivity for glass is 0.84

*asked on December 19, 2010* -
## 11th grade

A thunderstorm has an electric field one night of 1.5 105 N/C. What is the magnitude of the electric force on an electron in such a field?

*asked on December 16, 2010* -
## physics

You are pushing a 55 N lawnmower across the the yard. Its handle makes a 55 degree angle with the ground. What force are you exerting on the handle?

*asked on May 25, 2010* -
## Chemistry

Which group of elements is most likely to not form ions?

*asked on April 26, 2012* -
## Fizzicks

How do you find the wavelength of a 68,000 Hz ultrasound wave in air?

*asked on March 31, 2011* -
## Physics

Omar throws a rock down with speed 12 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? (air resistance is negligible)

*asked on December 3, 2010* -
## Physics

Mt. Everest is more than 8,000 m high. How fast would an object be moving if it could free fall to sea level after being releases from an 8,000-m elevation? (Ignore air resistance)

*asked on December 3, 2010* -
## math

a cookie recipe calls for 2 1/4 cups of flour.the yield of the recipe is two dozen cookies.how much flour goes into each cookie?

*asked on September 23, 2013* -
## Physics

You are working as a summer intern for the Illinois Department of Natural Resources (DNR) and are assigned to some initial work on water resources project. The department will be overseeing the construction of a dam to create a large fresh water lake that

*asked on April 29, 2010* -
## computer programming

small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,

*asked on January 29, 2011* -
## Algebra-Please check

y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x

*asked on November 15, 2010* -
## Language Arts

What is a text feature? This term refers to a variety of things, depending on how you want your text to look -- on a page, on a website, etc. http://www.answers.com/text%20feature =)

*asked on September 17, 2006* -
## Algebra

A computer store buys a computer for $24 fixes it up and sells it for $91.20. What is the percent of increase in the price?

*asked on November 14, 2017* -
## Physics

a barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.50 kg and time of contact with the football is 0.0025 s, what is the force exerted on the foot?

*asked on December 11, 2010* -
## Science

Word that means "flat like a plate "(flat land that Is higher than surrounding land"

*asked on November 15, 2016* -
## AP Chemistry

A solution is prepared by titrating a 100.0 mL sample of 0.10 M HF (Ka = 7.2 × 10-4) with 0.10 M NaOH a. Does the solution contain a strong acid with a strong base, a strong acid with a weak base, a weak acid with a strong base, or a weak acid with a weak

*asked on March 23, 2016* -
## Chem

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is

*asked on August 4, 2014* -
## calculus

An electron, travelling at 2000 m/s, is suddenly influenced by an extreme deceleration of 3000 m/s2. How fast is it going 0.03 s later?

*asked on June 11, 2014* -
## Physics

An aircraft has a lift-off speed of 120 km/hr. What minimum constant accelerationdoes this require if the aircraft is to be airborn after a take-off run of 240 m?

*asked on December 3, 2010* -
## Maths

(3.6x10^-5)/(1.8x10^2)

*asked on October 27, 2018* -
## Chem

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is

*asked on August 4, 2014* -
## Algebra

The ratio of the lengths of strings that play the guitar notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?

*asked on June 11, 2014* -
## Trig

sin(70°)cos(10°) − cos(70°)sin(10°)

*asked on April 22, 2009* -
## Chemistry

Im studying for the MCAT and i found this question in my old chem book. i can't figure out how to derive the formula they are talking about... Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. 2 NO(g)+ O2(g) --> 2 NO2(g) The rate law is

*asked on August 4, 2014* -
## Chemistry

*asked on August 4, 2014* -
## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

*asked on October 19, 2010* -
## Innovation

A car tire contains air at a pressure of 24 lb/in^2 at 0 degrees C. If the volume of the tire remains unchanged, what will the pressure be when the temperature has increased to 32 degrees C?

*asked on June 5, 2017* -
## Algebra-Another question

Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

*asked on November 15, 2010* -
## Algebra II

I have some questions on my assignment, if you don't mind could you look over my answers. thanxs! Find all the numbers that must be excluded from the domain of the rational expression. x+8/x^2-16, my answer: x cant be -4 or 4 x-3/x^2+11x+24, my answer: x

*asked on August 13, 2007* -
## Chemistry

I have a simple question: why does mgcl2 have a higher boiling point than ncl3?? I thought mgcl2 in terms of intermolecular forces had just dispersions and because ncl3 had dispersions and dipole dipole ( cause it's polar) had a higher IMF therefore a

*asked on March 3, 2011* -
## algebra

A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = 1 (b) The truck rents for $55.00 a day.

*asked on October 25, 2014* -
## computer Programming

A small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,

*asked on January 28, 2011* -
## Physics

I have ten problems left on my homework that I need help with. My instructor gives us the answer and we have to write down the steps. So if anyone could help me I would really appreciate it. 1 A steel wire, 150 m long at 10°C, has a coefficient of linear

*asked on December 16, 2010* -
## Physics

A baseball is released at rest from the top of the washington Monument. It hits the ground after falling for 6.0 s. What was the height from which the ball was dropped? (g=9.8 m/s2 and assume air resistance is negligible)

*asked on December 3, 2010* -
## Math

Estimate the are under the curve f(x)=x^2-4x+5 on [1,3]. Darw the graph and the midpoint rectangles using 8 partitions. Show how to calculate the estimated area by finding the sum of areas of the rectangles. Find the actual area under the curve on [1,3]

*asked on November 18, 2010* -
## math

How many yards are in 440 meters?

*asked on August 21, 2008* -
## college algebra

There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year.

*asked on October 25, 2014* -
## Psychology

The voltage at a receptor site has just changed from -70 millivolts to -75 millivolts as a result of an _______ and will ________. a). inhibitory postsynaptic potential;increase the likelihood of an action potential. b). excitatory postsynaptic

*asked on October 3, 2013* -
## GCC

I need to summerize a research paper that is mainly made up of quotes. How do I summerize it when is consist of quoting a quote. How do I structure my paper when the person that wrote the paper has so many quote. I hope this makes sense? Is there a way to

*asked on October 5, 2011* -
## Social studies

lesson 14: focus on history 7th Please need help 1-14

*asked on October 19, 2017* -
## Physics

The motion of a particle connected to a spring is described by x=10cos(πt). At what time (in s) is the potential energy equal to the kinetic energy?

*asked on November 21, 2010* -
## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

*asked on October 19, 2010* -
## physics

A driver of a 7550 N car passes a sign stating "Bridge Out 25 Meters Ahead." She slams on the brakes, coming to a stop in 10 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and assume

*asked on October 19, 2010* -
## math

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of

*asked on May 25, 2010* -
## climate

if climate gets warmer what will happen to growing season of crops? what effect could that change have on food supplies?

*asked on February 9, 2010* -
## math

need a linear equation for this problem: A car rental company charges a base fee of $25, then an additional $5 for every additional 50 miles thanks

*asked on December 22, 2008* -
## Algebra

1 adult + 2 kids: admission = 8.75 2 adults + 5 kids: adm = 19.75 I have the answer, just need the formula - I guessed and checked (a lot) and got kids' tickets = 2.25 adults' tickets = 4.25

*asked on October 27, 2008* -
## Math

5 coins are tossed. How many outcomes are possible?

*asked on March 17, 2008* -
## Statistics

Ricardo's car rental offers five different types of vehicles, compact cars (CC), midsize cars (MC), sport utility vehicles (SUV), vans (V), and luxury cars (L). Historically, if a random individual comes to rent a vehicle, the following probabilities

*asked on September 30, 2013* -
## math

Given 9 yards of fabric how many whole costumes could be made if each costume uses 1 3/7 yards of fabric

*asked on February 14, 2012* -
## ipc

Suppose all of the apples have a mass of 0.10 kg. If apple (A) is sitting on the ground, what is its potential energy?

*asked on September 6, 2011* -
## Algebra

2. Use the Pythagorean Theorem to solve the following: A. A baseball diamond is a square of 90 feet on each side. How long is a throw from first base to third base? B. The bottom of a 25 foot plank is placed approximately 7 feet from the side of a barn.

*asked on September 12, 2010* -
## math

You need to choose a long distance telephone service for your business. The two options available in your area are Call Me and Trans Talk. Call Me charges a $5.95 monthly service fee and $.08 per minute used. Trans Talk charges a $12.95 monthly service fee

*asked on May 22, 2010* -
## biology

A human cell has 10 ^14 cells and each cell has about 6.4 x 10 ^9 nucleotide pairs of DNA. What is the length, in cm, of double helix that can be formed from the total amount of DNA in a human individual?

*asked on September 17, 2009* -
## polynomial functioms-check

Can you please check my work and answers. Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. 1.f(x) = (x + 1)(x - 3)(x - 1)^2 -I got -1 crosses the

*asked on October 15, 2007* -
## AP Chemistry

I know this is such an easy question, but I completely forgot how to do it. Can someone please help me out? Thanks. If 57.84 g of nickel (Cp = 0.0946 J/g Degrees C) originally at 97.4 degrees C is placed into a calorimeter with 48.24 g of water (Cp = 4.184

*asked on October 4, 2007* -
## Algebra

Could you please help in finding the domain? Thanxs! Find the domain of the function. g(x)= 3x/(x^2 -49)

*asked on September 14, 2007* -
## AP Chemistry

Under what circumstances is the enthalpy of formation of a compound from its elements usually: - positive - negative

*asked on April 13, 2018* -
## Math

There is a school that has 6,190 students there is already 216 how many more teachers are needed

*asked on March 3, 2018* -
## Science

Suppose you find fossils of clams in rock high on a mountain. what can you infer about the mountain?

*asked on January 23, 2017* -
## physics

Your CECS graduation tassel hangs from the rear view mirror of your graduation gift, a 1981 DeLorean DMC-12 with Mr. Fusion garbage fusion generator!!! Your tassel hangs plumb or vertical when driving at a constant speed on a level highway. When

*asked on March 1, 2016* -
## algebra

The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acre-feet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,

*asked on October 25, 2014* -
## algebra

A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min

*asked on October 25, 2014* -
## Help

Any tips on how to get excellent grades? :) please reply fast

*asked on November 25, 2012* -
## chemistry

A nitrogen atom has 7 protons, and its most common isotope has 7 neutrons. A radioactive isotope of nitrogen has 9 neutrons. What is the atomic number and what is the mass number of this radioactive nitrogen? Show all of your work for full credit

*asked on August 26, 2012*