
Physics
A motorist drives along a straight road at a constant speed of 16.5 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 3.50 m/s2 to overtake her. Assume that the officer maintains this acceleration. (a)
asked by Becky on October 11, 2009 
Statistics
Suppose that the percentage returns for a given year for all stocks listed on the New York Stock Exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n= 5
asked by Mary on June 7, 2010 
Probability II =)
You are shown five cards, Three have X written on them and two have Y. The cards are turned over so the X abd Y are no longer visible, and shuffled/ One card is picked and laid face up on the table. It is an X. If the remaining cards are shuffled and
asked by Kesha on February 19, 2010 
Math
Skip to the ending for a summary of answers, Please correct me if I'm wrong as I want to make sure everyone who sees this gets 100%, 1: Find the length of the missing side of the right triangle. [ 1 Point ] [ ALeg: 8 cm  BLeg: 15 cm ] A. 289 cm. B. 17
asked by AnonMouse on February 24, 2019 
physics electromagnetism
Two long parallel vertical wires 0.3m apart are. ' placed eastwest of one another. The current in the westerly wire is 30A and on the other 20A. The horizontal component of the earths magnetic flux density is 2*10^5. Find the force per unit length on
asked by pascal on March 15, 2015 
Math
3) Find the capacity in gallons of a drum that is coneshaped if the radius is 9 feet, and the slant height is 41 feet. (first find the volume) Volume in cubic feet = cubic feet Capacity in gallons = gallons (Round answer to the nearest gallon) (Use 1 cu
asked by Mike on May 15, 2008 
physics
A 3.00 10^2 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m a) Find the work done
asked by Anonymous on October 26, 2010 
physics
Two long, straight wires are separated by 0.12 m. The wires carry currents of 8.0 A in opposite directions, as the drawing indicates. (a) Find the magnitude of the net magnetic field at the point A. ___T (b) Find the magnitude of the net magnetic field at
asked by Anonymous on September 21, 2010 
Math
A manufacturing company finds that they can sell 300 items at $3.50 per item and 500 items at $ 1.50 $1.50 per item. If the relationship between the number of items sold x x and the price per item p p is a linear one: Find a formula that gives x in terms
asked by Keonn'a on October 16, 2018 
Help, Physics
A 3.00*10^2 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m. (a) Find the work
asked by Anonymous on October 28, 2010 
International Business
small companies typically have difficulty competing against large multinationals when their governments take part in regional trade blocs. What could governments do to help their small companies compete after the formation of such blocs? Thanks for any
asked by Jo on January 13, 2007 
WORLD HISTORY EXAM 3 HELP PLEASE?!?
I ANSWERED SOME OF THEM BUT I DON'T KNOW IF THERE RIGHT OR WRONG..CAN YOU HELP ME? I DON'T HAVE THE BOOK TO HELP.. THANKS SOO MUCH!! 1. The term superman or supermen was developed by..? a. Nietzsche (my answer) b. Marx c. Hegel d. Mann 2. The novel Les
asked by KAYLA on January 9, 2009 
Calculus
Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this
asked by Michelle on November 5, 2015 
trig
Sandra wants to find the height of a moutain. From her first location on the ground, she finds the angle of elevation to the top of the mountain to be 35 degrees 15 minutes. After moving 1000 meters closer to the moutain on level ground, she finds the
asked by Anonymous on March 20, 2013 
Physics
A horse pulls a child on a sled along a horizontal snowcovered trail using a rope. The horse does 8.0x10^3J of work as it pulls the child and sled 62m at a constant speed. The coefficient of friction between the sled and the snow is 0.25. A) Find the
asked by Sandara on January 1, 2014 
Math
The cost in dollars of producing x units of a particular camera is C(x) = x^2  10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in your answer. Find the
asked by Garret on December 16, 2014 
3 grade english
write sentence about desert animals. use each given word in the past tense. they give word find, think, run, go, take my son write a kangaroo rat needs to find nuts to survive. my son write i think a rattle snake can confuse you. my son write a scorpion
asked by dk on February 6, 2012 
Math
(1) The curved surface area A of a cone of height and base radius is pie R squareroot H square+T square. (a) Make H the subject of the formula. (b) Find the height of a cone of area 550cm Square and base radius 7cm, taking pie to be 22/7. (2) if nSquare _
asked by Angela on October 31, 2017 
calculus
A positive multiple of 11 is good if it does not contain any even digits in its decimal representation. (a) Find the number of good integers less than 1000. (b) Determine the largest such good integer. (c) Fix b ≥ 2 an even integer. Find the number of
asked by help on November 17, 2016 
math please hellp
The cost in dollars of producing x units of a particular camera is C(x) = x^2  10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in your answer. Find the
asked by Garret on December 16, 2014 
maths
I have y=5sin(4xpie/2). I need too find phase shift. I know c/b is shift. This is pie2/4=.392, but does not equal my answer and I don't know direction it should go. Can anyone help? What do you mean by c/b? What do you mean by pie2/4=.392? What phase
asked by matt on December 9, 2006 
physics
A 2.7 kg block, starting from rest, slides down a ramp with friction. The top of the ramp is 1.5 m above the ground; the bottom of the ramp is h = 0.25 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance d
asked by amy on May 31, 2010 
Physics
I've looked at other questions posted like this and can't understand the problem or any of the answers. Could someone please show how to find for Cliff and Will? Cliff and Will are carrying a uniform 2.0m board of mass 75kg. Will is supporting the board at
asked by Katie on July 3, 2016 
Chemistry
Our teacher asked, a few weeks ago, for us to find the pH of 7.65 E11 M HClO3. We were told that we couldn't find the pH simply by log[7.65E11]. He said that we had to account for the water somehow [I think we had to do something with the number 1.0
asked by Krystal on May 20, 2007 
physics
Blocks A A (mass 6.50kg kg ) and B B (mass 10.50kg kg ) move on a frictionless, horizontal surface. Initially, block B B is at rest and block A A is moving toward it at 4.00m/s m/s . The blocks are equipped with ideal spring bumpers. The collision is
asked by josh on November 9, 2013 
math
The daily electricity bill of a car manufacturing company can be modeled by the function C(x) = 800 – 10x + 0.25x^2, where C is the daily electricity bill, and x is the number of cars made each day. How many cars should the company make to pay the lowest
asked by Jalen on December 7, 2016 
Physics
At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 180 lb. During the storm, the crewman finds a maximum reading of 235 lb and a minimum reading of 132 lb. Find the
asked by Anonymous on January 30, 2013 
math
The boy decided to ride the terror tower. at its maximum height, the ride reaches 65m above ground. When the boy reaches the top of the tower, his gum falls out of his mouth. the height of the gum can be given by the model: h=654.9t^2 where t is in
asked by Lilly on April 6, 2018 
chemistry
I'm stuck on this problem and only have 2 attempts left. The Ksp of Zn(OH)2 is 1.8x10^14. Find Ecell for the following halfreaction. Zn(OH)2(s) + 2e^ Zn(s) +2OH^(aq) So far I've tried using the following methods, none of which have worked... Ecell =
asked by Jamie on April 2, 2014 
Statistics
A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. y = 179.3 − 20.78x
asked by Greg on January 28, 2016 
Fluid Mechanics
The gate OAB under water is 5 mwide and is hinged along O as shown. (a) Find the hydrostatic force on the horizontal surface AB. (b) Determine the magnitude and point of action of the hydrostatic resultant force on the vertical surface OA. (c) Draw a free
asked by Bob on June 11, 2012 
Maths  Matrices
Matrix transformations please help? let f be the linear transformation represented by the matrix M = (4 2) .......(0 2) a) state what effect f has on areas and whether it changes orientation b) Find the matrix that represents the inverse of f c) Use the
asked by Anonymous on May 22, 2008 
Statistics
Before a DVD player leaves the factory, it is given a qualitycontrol check. The probability that a DVD player contains 0, 1, or 2 defectives are 0.90, 0.08, and 0.02, respectively. In a sample of 10 players, (a) Find the probability that 6 have 0 defects,
asked by Hayley on November 16, 2016 
Algebra
Leticia sets the thermostat in her apartment to 68 degrees. The actual temperature in her apartment can very from this by as much as 3.5 degrees. 16. Write an absolutevalue equation that you can use to find the minimum and maximum temperature. 17. Solve
asked by DreamEaterMary on August 24, 2015 
Algebra, URGENT!!!
1) The first leg of a right triangle is 6 cm longer than its second leg. If the hypotenuse has a length of 8 cm, find the exact lengths of the two legs. First Leg: Second Leg: 2) The length of a rectangle is 10 m longer than its width and the area of the
asked by Bailey on November 20, 2013 
Physics..help please
A rifle with a weight of 35 N fires a 4.0 g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. ___m/s (b) If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. ___m/s
asked by jake on October 6, 2010 
AP Chemistry!!!
If 5.6 g of aluminum at 65.2 °C is placed in a calorimeter that contains water at 23.5 °C and the temperature of the water after the heat exchange occurs is 24.7 °C, then identify how much water is in the calorimeter. I know this has something to do
asked by Callie on December 15, 2016 
College Physics
You have 20 and 80 (unit is the upside down U) resistors in a circuit with a 100 V battery. A)These resistors are parallel. Find the current through each resistor and the voltage drop across each resistor. B) These resistors are connected in series. Find
asked by Kate on February 7, 2010 
Math
On a certain road 20% of the vehicles are trucks, 16% are buses and the remainder are cars. (i) A random sample of 11 vehicles is taken. Find the probability that fewer than 3 are buses. [3] (ii) A random sample of 125 vehicles is now taken. Using a
asked by Josh on April 8, 2011 
I need correct answers for all please !
1. Regarding management and leadership, which statement is most accurate? A. Leaders can be good managers, and good managers can be leaders. B. Leaders aren’t managers, and managers aren’t leaders. C. Leadership and management are entirely unrelated.
asked by Shawn corey on May 24, 2012 
physics
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 23.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a
asked by Jim on September 26, 2010 
mathematics
so i have this table of values demonstrating the size of a cube to the number of small cubes with one face painted. The table starts with an x value (or number of small cubes) at 3x3x3, and goes up to 8x8x8. I need to fill in the ycolumn (or number of
asked by danielle on February 4, 2009 
Chemistry
If the concentration of KCN at the equivalence point is 0.1M and the Ka for HCN is 6.2*10^10 find the pH at the equivalence point. The reaction is between KOH and HCN From my understanding I have to do a stoichiometric calculation and then use the
asked by Maddy on September 28, 2016 
Math
Inside a triangle formed by the line 3x+4y=1 and the positive coordinate axis, inscribe a square with three of the vertices on the coordinate axes and one vertex on the line. 1) Find the length of a side of the square. In the triangular region described
asked by Mike on November 29, 2017 
Physics
A particle moves according to the equation x= (10 m/s^2)t^2 where x is in meters and t is in seconds. a. Find the average velocity for the time interval from t1= 2.38 s to t2= 4.3 s. Answer in units of m/s. b. Find the average velocity for the time
asked by Layla on February 9, 2014 
math
A manatee swimming 3 feet below the water surface, ascends 2 feet, descends another 5 feet then ascends another 2 feet. Write an expression to find his position relative to the water surface. Then find His position
asked by red on September 7, 2009 
math
mamta read 2/5 of a book on monday and 3/8 of the remaining book on tuesday.find the part of the book left unread after tuesday find the total no of pages in the book if 48 pages are left unread.
asked by david on September 28, 2016 
math
Consider the two inequalities 3x + 2y ≥ 4 9x + 8y ≤ 14 2y ≥ 3x + 4 2y/2 ≥ 3x/2 + 4/2 y ≥ 3x/2 + 4/2 y ≥ 3x/2 + 2 slope 3/2 y intercept 2 The black line is y ≥ 3x/2 + 2 8y ≤ 9x + 14 8y/8 ≤  9x/8 + 14/8 y ≤ 9x/8 + 14/8 y ≤ 
asked by John on July 1, 2017 
math 5th grade
The width of a picnic table is 3 times its length. If the length is 5 6 yd long, what is the area of the picnic table in square feet? sides are 2 1/2 yd and 5/6 yard. then to find area 2 1/2 x 5/6 = 2 5/12 y2 how do I find square feet?
asked by paul on May 5, 2016 
Physics
An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5
asked by Bree on December 13, 2012 
Physics
An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5
asked by Bree on December 13, 2012 
Physics
An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5
asked by Bree on December 13, 2012 
Probability
1. Jamal writes the letters KANSAS on cards and then places the cards in a hat. What is the probability of picking an N? (1 point) onesixth start fraction 1 over 5 end fraction Start Fraction 5 over 1 End Fraction The fraction is 6 over 1. 2. Justin
asked by help pleas on April 11, 2018 
math
Jose wants to find how many gallons of water he needs to fill his cubeshaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How
asked by kyle on March 10, 2015 
Binomial and Poisson distribution
A machine produces ribbon in which flaws occur randomly at an average rate of one flaw in 100m. Find the probability that there are 3 or more flaws in a randomly chosen 200m of ribbon. Find the length of ribbon such that the probability that it contains no
asked by Kelvin on June 1, 2013 
human service
Locate three professional business groups that are reputable in your chosen field (example: social work field has the National Association of Social Workers, Clinical Social Work Association, Association of Social Work Board). State whether or not they
asked by Patiance on November 7, 2011 
calculus
Find the acceleration of the specified object. (Hint: Recall that if a variable is changing at a constant rate, its acceleration is zero.) A boat is pulled into a dock by means of a winch 8 feet above the deck of the boat (see figure). The winch pulls in
asked by Sagar on March 27, 2016 
math
find the standard deviation for the following: 8,5, 12, 8, 9, 15, 21, 16, 3. There is a formula but our teacher wants us to do it a specific way. For example, 47, 41, 32, 53, 57. First you find the mean, which is 46 and then subtract it with each number in
asked by sarah on December 8, 2013 
English
Identify the term that best describes the words/phrases in parentheses. 1. The teacher asked her pupils to (stay) put during the screening of the documentary. linking verb action verb 2. The committee judged the logo (the most appropriate symbol) for the
asked by Leah on January 23, 2013 
trig
A kite is in the shape of a quadrilateral with two pair of congruent adjacent sides. The lengths of two sides are 20.0 inches and the lengths of the other two sides are 35.0 inches. The two shorter sides meet at an angke of 115 degrees. A. Find the length
asked by Anonymous on April 21, 2013 
statistics
A supplier of plastic pellets claims that when the plastic is pressed into wafers of uniform thickness, they will have a mean breaking strength of 165 newtons and a standard deviation of 5 newtons. An engineer at the company randomly selects wafers from 12
asked by Maddie Liguori on March 1, 2011 
Phys. pendulum
A pendulum consists of a mass of 3 kg tied to the end of a string of length 1.5 m. The pendulum is initially held at angle of 45o with the vertical and the pendulum is released. At the instant the mass passes through its lowest position it is 2 m above the
asked by KimK on October 9, 2008 
physics
The problem propmpts us with the info: "Two friends play with a cardboard box on a grassy hill side. The boy in the box has a mass of 50.0 kg and the box has a mass of 5.00 kg. The incline of the hill is 44° and its height is 10 meter. Assume that
asked by ana on October 11, 2015 
math
A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 −
asked by gayle on May 26, 2013 
algebra
A tropical species of mite named Archegozetes longisetosus is the record holder for the strongest insect in the world. It can lift up to 1.182 x 10^3 times its own weight. a) If you were as strong as this insect,explain how you could find how many pounds
asked by Tim on August 31, 2016 
math
A study was conducted to investigate the relationship between the resale price, y (in hundreds of dollars), and the age, x (in years), of midsize luxury American automobiles. The equation of the line of best fit was determined below. yhat = 183.8 −
asked by gayle on May 26, 2013 
maths
The relationship between the vertical height and the horizontal distance of a ball thrown at 45 degree is given by the equation y = x  x^2/50, where y is the vertical height and x is the horizontal distance. (a) Find the maximum vertical height reached.
asked by Shane on September 1, 2013 
math
Find the percent of 42377 books i don't understand how to find percents You don't have enough information to calculate percent. If we had a total of 42,377 books and we sold some of them %books sold=(# books sold/42,377)x100 the question says: For 1980,
asked by jennie on January 17, 2007 
Physics Projectile Motion
You arrive on an unknown planet with your team of astroscientists. This time, to calculate acceleration due to gravity you decide to drive your buggy off of a 16 meter tall cliff. If you drive at a velocity of 22 m/s off the cliff and land 55.1 meters
asked by Cody on October 14, 2014 
college algebra
An open box is made from a square piece of cardboard 20 inches on a side by cutting identical squares from the corners and turning up the sides.(a) Express the volume of the box, V , as a function of the length of the side of the square cut from each
asked by danny on September 27, 2012 
geometry
The figure shown is a rectangle. the green shape in the figure is a square. The blue and white figures are rectangles, and the area of the blue rectangle is 24 square inches. a. write an expression for the area of the entire figure that includes an
asked by catsanddogs on April 17, 2015 
physics
Three particles of masses 14 kg, 21 kg, and 69 kg are located at the vertices of an equilateral triangle of sides 7 m. A)Find the xcoordinate of the center of gravity of this system with respect to a coordinate system with origin at the 14 kg particle and
asked by maura on November 4, 2012 
Math
28. Molli purchased 8 apples for $2.96. While looking at her receipt, Molli divided $2.96 by 8. Why might Molli perform this calculation? (1 point) in order to find the total number of apples purchased in order to find out how much she paid per apple in
asked by unknown on October 5, 2016 
statistics
The accompanying multiple regression outputs estimate the following model: annual cost = 0 + 1(Type of School) + 2(Average Total SAT) where: annual cost = annual cost at a college in thousands of dollars Average Total SAT = average scholastic
asked by ree on December 16, 2012 
English II
Friends, Romans, countrymen, lend me your ears; I come to bury Caesar, not to praise him. The evil that men do lives after them; The good is oft interred with their bones; So let it be with Caesar. The noble Brutus Hath told you Caesar was ambitious: If it
asked by Jessie on May 9, 2016 
physics
Question 6) Oil and gas exploration companies find new underground deposits by measuring (with incredible precision) the value of g at the Earth's surface. EXTRA INFO GIVEN: The challenge: F=Gm1m2/r^2 ONLY works for two cases: point masses, or if one of
asked by katie bornia on October 22, 2016 
Physics
An equilateral triangle 10.0 m on a side has a 1.00kg mass at one corner, a 2.00kg mass at another corner, and a 3.00kg mass at the third corner. Find the magnitude of the net force acting on the 1.00 kg mass. Find the direction of the net force acting
asked by Cooper on November 9, 2011 
Physics
An equilateral triangle 10.0 m on a side has a 1.00kg mass at one corner, a 2.00kg mass at another corner, and a 3.00kg mass at the third corner. Find the magnitude of the net force acting on the 1.00 kg mass. Find the direction of the net force acting
asked by Cooper on November 9, 2011 
geometric
The perimeter of a rectangular carpet is 70feet. The with is three fourths the length .Find the width. 38. The length of a rectagular room is six times as the width . The perimeter 84 yards. find the width. 39. The width of a rectangle is 12 less than the
asked by baby girl on March 13, 2007 
PHYSICS!!!
Hooke's law describes a certain light spring of unstressed length 36.0 cm. When one end is attached to the top of a door frame and a 6.40 kg object is hung from the other end, the length of the spring is 44.00 cm. (a) Find its spring constant I found the
asked by Anonymous on February 2, 2010 
Footnotes
What is the proper footnote format for an internet source? I don't know many places that require footnotes any more. The usual format is to use intext parenthetical citations along with a Works Cited page (was called a bibliography).
asked by Anonymous on January 15, 2007 
mrs. sue algebra help
Mrs.Sue my homework from yesterday i had wrong instructions i needed to find the mean median and mode. not the outlier an affect. my teacher switched the assignment can you check my answers i have to find the mean, median and mode 1) 8 12 6 9 5 mean: 8
asked by Marko on September 28, 2011 
algebra help mrs. Sue
Mrs.Sue my homework from yesterday i had wrong instructions i needed to find the mean median and mode. not the outlier an affect. my teacher switched the assignment can you check my answers i have to find the mean, median and mode 1) 8 12 6 9 5 mean: 8
asked by Marko on September 28, 2011 
bUSINESS
I NEED HELP TO FIND PENNY STOCKS AT NASDAQ. Penny stocks usually sell for less than $1.00 a share  although some investors consider any stock selling for less than $5.00 a share a penny stock. Please check with your instructor to see how s/he wants you
asked by Ashley*me on November 9, 2006 
Probability and Statistics 2
The numbers below represents heights (in feet) of 3year old elm trees, where leaves represent fractional parts of each value. Stems Leaves 5 1,8 6 1,2,4,7,8,9 7 0,2,3,3,4,5 8 1,1,2,3,5,6,6,7,7,9,9 9 0,1,3,4 a) Find the five number summary for the given
asked by Kim on April 29, 2012 
Trig
A population of animals oscillates annually from a low of 1300 on January 1st to a high of 2200 on July 1st, and back to a low of 1300 on the following January. Assume that the population is wellapproximated by a sine or a cosine function. a. Find a
asked by Alex on December 3, 2012 
world history
What impact did the Concert of Europe have on Europe? 1.) The Concert of Europe sought to establish a unified trading partnership to promote unity and eliminate future wars. 2.) The Concert of Europe sought to eradicate monarchies in favor of democratic
asked by kayla on February 23, 2018 
Physics Classical Mechanics
A bar of mass m and negligible height is lying horizontally across and perpendicular to a pair of counter rotating rollers as shown in the figure. The rollers are separated by a distance D. There is a coefficient of kinetic friction μk between each roller
asked by Anonymous on December 11, 2013 
physics
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.24 m/s on a horizontal section of a track. It rolls around the inside of a vertical circular loop 90.0 cm in diameter and finally leaves the track at a point 19.0 cm
asked by emath on March 2, 2010 
physics
A small sphere of charge q = +68 ƒÝC and mass m = 5.8 g is attached to a light string and placed in a uniform electric field E that makes an angle ƒá = 37„a with the horizontal. The opposite end of the string is attached to a wall and the sphere is
asked by Anonymous on November 6, 2012 
physics
A small sphere of charge q = +68 ƒÝC and mass m = 5.8 g is attached to a light string and placed in a uniform electric field E that makes an angle ƒá = 37„a with the horizontal. The opposite end of the string is attached to a wall and the sphere is
asked by Anonymous on November 6, 2012 
URGENT HELP: calculus  limits at inifinity
1.The efficiency of an internal combustion engine is: efficiency (%) = 100 [1  (1/(x/y)^c)] where x/y is the ratio of the uncompressed gas to the compressed gas and C is a positive constant dependent on the engine design. Find the LIMIT of the efficiency
asked by Anonymous on December 13, 2007 
physics
A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C . The magnitudes of these vectors are A = 5 m, B = 16.0 m, and C = 16.0 m. Using the component method, find the magnitude and direction è of the
asked by Brittany on January 20, 2010 
Math (statistics)
The probability of obtaining heads on a biased coin is 0.4. The coin is tossed 600 times. a. i. Write down the mean number of heads (240) ii. Find the standard deviation of the number of heads (12) b. Find the probability that the number of heads obtained
asked by Myra on March 16, 2016 
Calculus Or Something
Find the true location of the sun in relation to your reference of the horizon if the sun is observed to make an angle of theta with the horizon. This is not an easy question. Use Snell’s law to take into account the aberration and bending of light rays
asked by Mike on April 30, 2007 
Social Studies help
Which of the following statements descibes the political climate in Boston after April 20, 1775? A. Bostians find themselvs at odds with colonists in the other colonies as a result of the conflict in Lexington. B. Despite the lost of life in Lexington,
asked by callie on December 17, 2014 
math help needed badly
From a ship, two lighthouses can be seen bearing N 40 degrees E. After the ship sails at 15 knots on a course of 135 degrees for an hour and 20 mins, the two lighthouses now has a bearing of 10 degrees and 345 degrees. a) Find the distance of the ship from
asked by rhinechilde on September 9, 2014 
Calculus :)
If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded monthly ____
asked by Brit on August 24, 2011 
Calculus AB
Could someone please help me with these tangent line problems? 1) Find the equation of the line tangent to the given curve at the indicated point: 3y^3 + 2x^2 = 5 at a point in the first quadrant where y=1. 2) Show that there is no point on the graph of
asked by Annie on November 25, 2016 
Biology Help Please!
1 ) A temperaturesensitive mutation in the lacI gene of E. coli creates a repressor protein that has wildtype function at 30°, but is a superrepressor protein at 42° (unable to bind allolactose). You test this strain with and without lactose, at two
asked by Tenshi on April 9, 2016
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