
physics
A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically from the 4.74 cm mark. A mass is attached somewhere on the meterstick to keep it horizontal and in both rotational and
asked by Krystal on November 4, 2012 
physics
A 58.4kg person, running horizontally with a velocity of +3.84 m/s, jumps onto a 10.7kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (Indicate the
asked by Lindsay on October 22, 2012 
Pre Algebra (8th)
Find the volume of the triangular prism. A triangular prism is shown. The front triangular face of the prism has a base measure of 12 feet and perpendicular height of 2 feet. The length of the prism between the triangular faces is 18 feet. A. 864 ft3 B.
asked by Derozen * TEC on February 12, 2018 
Chemistry
Could you please check my work about complete ionic and net ionic equations. They really confuse me. My original equation, after I balanced, was: FeCl2(aq)+Na2S(aq)=FeS(s)+2NaCl(aq). For complete Ionic I think its:
asked by DeDe on April 21, 2015 
physics
we did a lab and my observation chart is like this when my mass is 1.4 kgs (height is 0.12m,distance is 1.0m,time is 0.87s,velocity is 1.1 m/s ,Eg is 1.6 and the Ek is 0.85) when my mass is 2.14 kgs(height is 0.12m,distance is 1.0m,time is 0.88s,velocity
asked by chris on November 24, 2014 
More Physics
I have NO idea how to do this! any help is great! A car with a mass of 1330kg is traveling at 28m/s. The driver applies the brakes to bring the car to a rest over a distance of 79m. Calculate the retarding force acting on the car. From this i can see that
asked by Maggie on December 5, 2012 
math
a math test consist 20 multiple choice questions. 3 points are awarded for a correct answered. 1 point is deducted for a wrong answer. no points are awarded or deducted for an answered questions. jenny attempted a total of 19 questions and her total score
asked by zianne on September 27, 2016 
trigohelp!
how do i do this question? a ladder length 13m rests against a vertical wall with its foot on a horizontal floor at a distance of 5m from the wall. when the top of the ladder slips down a distance of x, the foot of the ladder moves out x. find the distance
asked by holly on March 12, 2007 
Precalculus
Suppose that the point (rho, theta, phi)= (12, 2pi/3, 5pi/4) in spherical coordinates can be expressed as (x, y, z) in rectangular coordinates. Find x+z. I first found x by using the conversion method (r*sin(theta)cos(phi)= x ) I got 3(sqrt(6)). Then I
asked by Aditya on August 8, 2014 
physics
A 0.112 kg meterstick is supported at its 38.6 cm mark by a string attached to the ceiling. A 0.655 kg mass hangs vertically from the 4.74 cm mark. A mass is attached somewhere on the meterstick to keep it horizontal and in both rotational and
asked by Krystal on November 4, 2012 
math algebra
Can someone help me with this question? A can in the shape of a right circular cylinder is required to have a volume of 1,000 cubic centimeters. The top and bottom are made up of a material that costs 10¢ per square centimeter, while the sides are made of
asked by Jacob on February 22, 2016 
Calculus
A 13 foot ladder is leaning against the house when it's base starts to slide away. By the time is 12 feet from the house the base is moving at the rate of 5 ft/sec. 1.How fast is the top of the ladder sliding down the wall at that moment? 2. At what rate
asked by Jonathan on October 16, 2014 
algebra
The formula below can be used to find the distances (d) traveled by an object, where v represents the initial velocity of the object, t represents the time, in seconds, and a represents the acceleration, in meters per second squared. d=vt+1\2at2 A bicycle
asked by curtina blue on September 22, 2010 
Algrbra
A certain paperback sells for $12. The author is paid royalties of 11% on the first 10,000 copies sold, 12.5% on the next 5000 copies, and 18% on any additional copies. Find a piecewisedefined function R that specifies the total royalties if x copies are
asked by Pete on October 24, 2012 
Stats
A sociology professor assigns letter grades on a test according to the following scheme. A: Top 14% of scores B: scores below the top 14% and above the bottom 55% C: scores below the top 45% and above the bottom 17% D: scores below the top 83% and above
asked by Benjamin on October 14, 2017 
physics
A uniform 250 N ladder rests against a perfectly smooth wall, making a 35 degree angle with the wall. (a)Draw a free body diagram of the ladder. (b) Find the normal forces that the wall and the floor exert on the ladder. (c) What is the friction force on
asked by collegekid on November 9, 2009 
statistics
A group of applicants for a position consists of 8 people who are qualified and 7 whoa are not. If we select two people at random to be interviewed (obviously without replacement), find the probability that we get: a. two qualified people b. one qualified
asked by statshelp on January 23, 2008 
Physics
Mass m1 = 0.5 kg moves with constant velocity v1i = 2.5 m/s along the xaxis and collides with mass m2 = 2.6 kg, which moves with velocity v2i = 3.1 m/s, as sketched below(completely vertical). After the collision, m1 and m2 stick together. a.) Find the
asked by Emma on March 24, 2015 
math
A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of
asked by may on May 3, 2016 
Finance
John deposited $1000 on 1st January 2011 in an account paying interest of 12% per annum compounded quaterly. He also deposited $800 (on 1st January 2011) in another account which pays 15% per annum effective interest. Find the time(n) when the two accounts
asked by Krishneel on October 5, 2011 
Physics
A ball on the end of a string is whirled around in a horizontal circle of radius 0.33 m. The plane of the circle is 1.21 m above the ground. The string breaks and the ball lands 2.22 m away from the point on the ground directly beneath the ball’s
asked by Mike Undi on March 12, 2013 
End behavior models
Thanks for the help with my previous problems Roger & Leo. It was really helpful. Now I want to know how to find the right and left end behavior models and horizontal tangents for the inverse functions, say y = tan inverse(x) I have to do this for all
asked by Jen on October 20, 2006 
Physics
A ball player hits a home run, and the baseball just clears a wall 17.0 m high located 124.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the
asked by Jennifer on November 6, 2011 
physics
A ball player hits a home run, and the baseball just clears a wall 17.3 m high located 131.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the
asked by kaylee on September 29, 2011 
Physics
A ball player hits a home run, and the baseball just clears a wall 20.6 m high located 132.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.1 m above the
asked by bob on January 20, 2013 
Physics
A ball player hits a home run, and the baseball just clears a wall 17.0 m high located 127.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the
asked by .lex on November 20, 2012 
Physics
A ball player hits a home run, and the baseball just clears a wall 20.3 m high located 119.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.0 m above the
asked by sam on October 23, 2014 
math/algebra
I have been asked to answer questions in parts in relation to a story problem, but I am having difficulty finding the right formulas. Did I do this right...If not, please help me and tell me where I went wrong. Part B The landscaper that maintains Mrs.
asked by Anna please HELP, I need this by 7:00 on November 19, 2009 
Civics
what is a website I can go to to find information for a report related to government Here are a few: http://www.law.cornell.edu/constitution/constitution.overview.html http://www.whitehouse.gov/ http://www.senate.gov/ http://www.house.gov/
asked by pordnijiah on September 20, 2006 
Precalculus check answers help!
1. Which expression is equivalent to cos 2theta for all values of theta ? cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2 sin^2 theta 2 sin theta cos theta 2. Use a half–angle identity to find the exact value of sin 105°. 1/2(sqrt)(2 + Sqrt3)
asked by Kelsey on May 28, 2012 
MATH
Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point to the other. The sum of
asked by Anonymous on September 15, 2009 
Philosophy/Social Ethics
Any guidance as to where find answers to the following questions or any related ones would be super. Would a market for procuring organs lead to commodification of the human body? What do we do when there are not enough organs to meet demand? Do people who
asked by Herb on May 15, 2010 
Math
Sidney told sam that that he would love a lot that is a trapeziod shape and is being sold for $25,000. It is a regular trapeziod with the top being 500' the sides being 250' each and the bottom being 1000'. George doesn't know if it's worth it so he wants
asked by Kate on November 3, 2011 
Math Word Problem!!!!
Sidney told sam that that he would love a lot that is a trapeziod shape and is being sold for $25,000. It is a regular trapeziod with the top being 500' the sides being 250' each and the bottom being 1000'. George doesn't know if it's worth it so he wants
asked by Kate on November 3, 2011 
Physics Circuits Current & Voltage Problem
Please find this question onto y a h o o s e a r c h e n g i n e b y c o p y & p a s t e. Determine... (a) the current in each resistor (Indicate the direction of the current flow through each resistor through the sign of your answer. Take upward current
asked by Frustrated College Student on March 29, 2016 
physics
The displacement of a block of mass 778g attached to a spring whose spring constant is 38N/m is given by x=Asin(ωt) where A=25cm. In the first complete cycle find the values of x and t at which the kinetic energy is equal to one half the potential energy.
asked by kara on February 13, 2017 
Math
the Pythagorean theorem a square + b square = c square a square + x square = 4 square how to find x square?
asked by lulu on September 18, 2016 
Buisness
I took a test for my business class and I'm having trouble with these questions. Any help would be appreciated! Thank you! 5.Jim is beginning his research on franchise businesses in order to find one that meets his needs. A quick, easy way to get general
asked by Maliya on September 14, 2015 
physics
a car is pared on a cliff overlooking the ocean on an incline that makes an angle of 24 below the horizontal. the negligent driver leaves the car in a neutral and emergency brakes are defective. the car rolls down the incline with a constant acceleration
asked by Anonymous on December 10, 2017 
ECONOMICS
Sorry, the last Question didn't post Suppose Fred has a utility function of the form U = X ½ Y ½ . Fred has an income of $100, good X costs $1.00, and good Y costs $2.00. How much of good X and how much or good Y will Fred buy? Be sure to show all your
asked by Brett on January 21, 2009 
lgebra
The sum of three consecutive natural numbers is 963, find the numbers. (A) First, write out an equation that models the relationship between these three numbers: x + ____ +______ = 963 2nd number 3rd number (B) Now, simplify the left side of your equation:
asked by NINA on September 26, 2015 
math (calculus)
A rectangular sheet of paper of width a and length b, where 0
asked by Kelsey on October 29, 2011 
Physics
Consider the stability of a ladder of mass m and length L leaning against a wall. A painter wants to be sure the ladder will not slip across the floor. He knows that the frictional force exerted by the floor on the bottom end of the ladder is needed to
asked by R on May 8, 2013 
physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes
asked by ben on January 30, 2014 
PHYSICS
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +18.0 m/s, while the exiting water stream has a velocity of 18.0 m/s. The mass of water per second that strikes the
asked by ZAC on October 21, 2010 
physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes
asked by ben on January 30, 2014 
physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes
asked by ben on January 30, 2014 
physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +16.0 m/s, while the exiting water stream has a velocity of 16.0 m/s. The mass of water per second that strikes the
asked by Tyler on January 19, 2017 
Physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of +18.0 m/s, while the exiting water stream has a velocity of 18.0 m/s. The mass of water per second that strikes the
asked by Anonymous on November 12, 2012 
physics
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The incident water stream has a velocity of + 17.4 m/s, while the exiting water stream has a velocity of – 15.0 m/s. The mass of water per second that strikes
asked by ben on January 30, 2014 
physics
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 3.8 m away. After a running start, he leaps at an angle of 18◦ with respect to the flat roof while traveling at a speed of 4.2 m/s. The
asked by abby on October 8, 2018 
Physics
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 3.5 m away. After a running start, he leaps at an angle of 14 with respect to the flat roof while traveling at a speed of 5.6 m/s. The
asked by Travis on October 4, 2011 
Communication
Question 1. 1. Which of the following guidelines are most correct regarding rules for responding to selfdisclosure? (C) Respond back immediately, support the person disclosing, and listen critically. Listen critically, never use the disclosure against the
asked by Mariah on September 30, 2014 
Science
Explain the law of motion needed to solve this problem and then solve it. On Planet Zorg a 30 kg barbell can be lifted by only exerting a force of 180 N. What is the acceleration of gravity on Planet Zorg? Predict how the motion of this object would change
asked by Aiecha on May 18, 2016 
MAT/117
a. Suppose that a market research company finds that at a price of p = $40, they would sell x = 37 tiles each month. If they lower the price to p = $25, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time.
asked by Michelle on July 19, 2010 
Mat117
a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by Danie on July 17, 2010 
Calculus
A company is increasing production at the rate of 25 units per day. The daily demand function is determined by the fact that the price (in dollars) is a linear function of q. At a price of $70, the demand is 0, and 100 items will be demanded at a price of
asked by John on April 6, 2010 
Calculus 1
a power station needs to supply power lines to a location 10 miles downstream and on the other side of a river that is 0.75 miles wide. Power lines cost $7 per foot on land and $10 per foot under water. What is the most economical path? What is the minimum
asked by chelz on November 3, 2015 
physics
A ball on the end of a string is whirled around in a horizontal circle of radius 0.467 m. The plane of the circle is 1.24 m above the ground. The string breaks and the ball lands 2.49 m away from the point on the ground directly beneath the ball’s
asked by Joan on October 5, 2014 
math
a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by Danie on July 17, 2010 
ALGEBRA
Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by AMERICAN GIRL on June 23, 2011 
math
a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by Jesse on June 11, 2010 
physics
A 8.95 μC point charge is glued down on a horizontal frictionless table on the right. If is tied to a 6.35 μC point charge by a light nonconducting wire with length 2.5 cm on the left. The charges are placed in a external, uniform electric field with
asked by Anonymous on February 3, 2014 
Math
Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (0.7660)= 15.32 y=20 (0.6427)= 12.85 (15.32, 12.86) on my answer on my paper, I left off the  and the )
asked by Jon on April 22, 2009 
CHEMISTRY
A chemist studying the equilibrium N2O4(g)2NO2(g) controls the temperature so that keq ( equilibrium constant)= 0.028. At one equilibrium position, the concentration of N2O4 is 1.5 times greater than the concentration of NO2. Find the concentrations of the
asked by Anonymous on November 26, 2013 
algebra 1
A community group is planning on the expansion of a square flower garden in a city park. If each side of the original garden is increased by 3 meters, the new total area of the garden will be 225 square meters. Find the length of each side of the original
asked by kim'maya on March 21, 2018 
Math
A local club is arranging a charter flight to Miami. The cost of the trip is $225.00 each for 75 passengers, with a refund of $5.00 per passenger for each passenger in excess of 75. How many passengers must take the flight to produce revenue of $16,000.00?
asked by NR on March 24, 2017 
Math
Cho is driving a car. He gets to his destination, which is 72 miles away, in 1 hour and 30 minutes. a. The equation d=rt can be used to model Cho's drive, where d us the distance traveled, r is the speed of the car and, and t is the amount of time spent
asked by Jay on April 13, 2015 
Geometry
Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31
asked by DON'T Skip Me pls on November 8, 2016 
Help Plz.. Algebra II
Allegra has a cellphone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40. a. Define a variable for the unknown. b. Write an equation to model the problem.
asked by Jullian on September 19, 2013 
Math
Let x equal the age, in human years, for a dog that is 2 years old or older. For each of your chosen breeds, write an expression to model its age in dog years. [Hint: Use (x2) in each expression.] the dogs are 2yrs: 23 yrs old 3yrs: 27 yrs old 4yrs: 31
asked by Alle on November 8, 2016 
Math 7th grade
1) of the dolls in mo's doll collection, 1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls collection have both red hair and green eyes? 2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon. 3) Cheryl is organizing her
asked by catalina on October 1, 2012 
Projectile motion
A bomber, flying upwards at an angle 53 with verticql releases a bomb at 800m altitude. The bomb strikes the ground 20s after release. Find Avelocity of bomber at time of release of bomb Bmaximum height attained by bomb Chorizontal distance covered
asked by Aakash on June 16, 2016 
Math
Allegra has a cellphone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan allows. One month, she was billed $73.40. a. Define a variable for the unknown. b. Write an equation to model the problem.
asked by Jullian on September 19, 2013 
chemistry
If all the energy obtained from burning 1.23 pounds of propane (fuel value is 11.09 kcal/g) is used to heat 125.0 kg of water at an initial temperature of 21.8 °C, what is the final temperature? Hint: The heat, q, released by burning propane is absorbed
asked by Yasha on March 25, 2012 
algebra
a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by herb on June 13, 2010 
mathsurgently needed
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler gets a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at
asked by Anonymous on January 30, 2013 
Math(is the problem too hard?)
Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (0.7660)= 15.32 y=20 (0.6427)= 12.85 (15.32, 12.86) on my answer on my paper, I left off the  and the )
asked by Jon on April 22, 2009 
algebra
) Suppose a market research company finds that at a price of p = $30, they would sell x = 42 tiles each month. If they lower the price to p = $20, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by Anonymous on January 27, 2012 
AP Chem
Suppose I take a 1.0 L saturated, room temp solution of lead(2)bromide and dissolve 1.3g of potassium bromide in the solution. Will lead(2) bromide precipitate out? If yes how much( in grams)? If no, why not? I found the ksp for PbBr2 at room temp, and
asked by Olivia on November 11, 2014 
algebra
a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find
asked by Anonymous on May 17, 2010 
physics
In a hydraulic lift, the radii of the pistons are 2.93 cm and 10.1 cm. A car weighing W = 11.0 kN is to be lifted by the force of the large piston. (a) What force Fa must be applied to the small piston? 925.7 N (b) When the small piston is pushed in by
asked by Akbar on April 9, 2012 
Physics
An arrow is shot from the top of a building (height of 30 meters). The arrow travels 100 meters in the horizontal direction from the base of the building to the point where it hits the ground in 4 seconds. Find the angle of release, actual velocity at
asked by Brad on February 22, 2010 
Physics
Skier A of mass 71kg slides down a slope and makes a completely inelastic collision with Skier B, who is stationary, and has a mass of 55kg.Immediately after the collision both skiers have a speed of 5.8m/s. a)Find the speed of skier A immediately before
asked by Christine on October 25, 2015 
math
a. Suppose a market research company finds that at a price of p = $40, they would sell x = 27 tiles each month. If they lower the price to p = $15, then more people would purchase the tile, and they can expect to sell x = 47 tiles in a month’s time. Find
asked by spike on November 13, 2011 
Math repost
Find the coordinates of the point whose polar coordinates are (20,140degrees). r=20 0=140 x=r cos (o) y=r sin (o) x=20 cos (140) y=20 sin (140) x=20 (0.7660)= 15.32 y=20 (0.6427)= 12.85 (15.32, 12.86) on my answer on my paper, I left off the  and the )
asked by Jon on April 22, 2009 
Science
Study the animal in the image below. What can you infer about the animal from this image? ( the image is a frog that is camouflaged on a tree) A.Its skin color is a warning to potential prey B.Its skin color is the result of a disease C.Its skin color
asked by Peter on January 5, 2014 
Mathematics
A shop offered a special on socks and handkerchiefs for Father's Day. For k50 you could buy 7 pair of socks and 3 boxes of handkerchiefs or for K24 you could buy 3 pair of socks and 2 boxes of handkerchiefs. A. From a pair of simultaneous equations for the
asked by Monica on June 13, 2016 
socials
i find many information on internet of invasion of italy during world war 2 but it not tell me straightforwardly how italy get involved in it and what it really about. it was invasion of sicily. I think british only fight off germans, but how italy
asked by Mohammad on November 24, 2011 
physics
A cart of mass 223 g is placed on a frictionless horizontal air track. A spring having a spring constant of 10.20 N/ m is attached between the cart and the left end of the track. When in equilibrium, the cart is located 11.0 cm from the left end of the
asked by Anonymous on November 26, 2012 
9th grade
Celia bought 12 apples, ate two of them, and sold the rest at 20 cents more per apple than she paid. Her total profit was $1.00. How much did she sell for each apple? I need help with this question. I know that this is a bought and sold question. I know
asked by Kendrick on September 27, 2010 
Physics
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle
asked by Anonymous on January 24, 2015 
College Physics
A particle is moving in the xy plane with constant acceleration. At t=o, the particle is given by x=4m, y=3m, and has a velocity v=2m/s xhat  9m/s yhat. The acceleration of the particle is given by a=4m/s^2 xhat + 3m/s^2 yhat. Find the velocity vector
asked by Anonymous on September 15, 2010 
Algebra 2
Can someone please explain how to do this problem? A regional soccer tournament has 64 participating teams. In the first round, the number of games played decreases by a factor of one half. Find a rule for the number of games played in the regional soccer
asked by Jane on February 24, 2014 
Confidence Intervals
Over the last 15 Major League Baseball seasons, the mean number of strikeouts by the American League leader is 258.5. Assuming that the number of strikeouts by the league leader is normally distributed and the standard deviation for all seasons in all
asked by melanie on June 20, 2008 
physics
A cart of mass 223 g is placed on a frictionless horizontal air track. A spring having a spring constant of 10.20 N/ m is attached between the cart and the left end of the track. When in equilibrium, the cart is located 11.0 cm from the left end of the
asked by Anonymous on November 26, 2012 
Calculus
Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate
asked by Trevor on February 28, 2013 
Math
There is a 100 question multiple choice test each with 5 choices. You randomly guess each question. Set up the binomial probability formula to find the probability of getting exactly 80 correct out of 100. Check to see if you can use the normal
asked by Trisha on December 16, 2015 
physics
a car traveled at uniform velocity of 20m/sec for 5 sec the brakes are applied and car retards uniformly and come to rest in further 8 sec.find a)distance traveled in first five sec b)distance traveled after breaks are applied c)total displacement during
asked by parul on May 28, 2012 
math133
) Solve algebraically and check your potential solutions: sqrtx+2+0 Answer: Show your work here: 3) The volume of a cube is given by V = s3, where s is the length of a side. Find the length of a side of a cube if the volume is 800 cm3. Round the answer to
asked by michelle on May 30, 2010
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