Thursday

July 31, 2014

July 31, 2014

Number of results: 39,538

**physics**

Two cars adjacent to each other on a highway. The first car accelerates uniformly at 3m/s2 the moment the light turns green. The second car is moving at 18m/s and is beside the first car at the instant the light changes and continues driving with a constant velocity. When are ...
*January 25, 2011 by Nathan*

**Physics**

A 2340 kg car traveling to the west at 20.7 m/s slows down uniformly under a force of 8340 N to the east. a) How much force would be required to cause the same acceleration on a car of mass 3180 kg? Answer in units of N. b) How far would the car move before stop- ping? Answer ...
*April 18, 2011 by Anonymous*

**Physics**

A railroad car with a mass of 12000 kg collides and couples with a second car of mass 18000 kg that is initially at rest. The first car is moving with a speed of 9 m/s before collision. If external forces can be ignored, what is the final speed of the two railroad cars after ...
*March 24, 2014 by Amanda*

**Physics**

A 700-kg car stopped at an intersection is rear-ended by a 1710-kg truck moving with a speed of 16.0m/s . 1) If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of the truck. 2)Find the final speed of the car.
*October 25, 2013 by Lhaedy*

**physics**

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.38 m/s. The car is a distance d away. The bear is 25.4 m behind the tourist and running at 5.88 m/s. The tourist reaches the car safely. What is the maximum possible value for ...
*December 11, 2008 by Please help!*

**Physics**

Suppose that a police car on the highway is moving to the right at 27 m/s, while a speeder is coming up from almost directly behind at a speed of 35 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder. Assume that the ...
*April 25, 2013 by Anonymous*

**Physics**

A 984 kg car is driving along a boardwalk. The car's center of mass is 33 cm in front of the rear wheels, and the distance between the front and rear wheels is 2 m. What total force does the car's front tires exert on the boardwalk? Give your answer in Newtons.
*April 24, 2011 by paige*

**Physics**

A 965 kg car is driving along a boardwalk. The car's center of mass is 45 cm in front of the rear wheels, and the distance between the front and rear wheels is 2 m. What total force does the car's front tires exert on the boardwalk? Give your answer in Newtons.
*April 27, 2011 by Anonymous*

**ENG102**

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average velocity in km/h
*May 1, 2012 by DESMOND*

**University of Ghana**

• A car moves 26 km due east then 14 km due north. It then turns along a path running north-west with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs. • Find; • (a) the car’s average speed in m/s • (b) the car’s average velocity in km/h
*March 23, 2013 by Daniel*

**Physics**

A car of mass 1200kg starts from rest, accelerates uniformly to a speed of 4.0 meters per second in 2.0 seconds and continues moving at this constant speed in a horizontal straight line for an additional 10 seconds. the brakes are then applied and the car is brought to rest in...
*December 4, 2012 by Ken*

**6th**

what is the smallest number of cars that can be driven in this formation: two cars in front of a car, two cars in back of a car, and a car between two cars?
*September 10, 2008 by brandy*

**English**

A: I bought a new car. B1: Congratulations on buying a new car. B2:Congratulations on having bought a new car. (Which response is correct, B1 or B2? What is the difference between them?)
*October 25, 2013 by rfvv*

**physics**

A sports car of mass 1300 kg (including the driver) crosses the rounded top of a hill (r = 86 m) at 23 m/s. Determine the normal force exerted by the car on the 74 kg driver. Determine the car speed at which the normal force on the driver equals zero.
*February 22, 2010 by Anonymous*

**Physics**

A small car (mass 380 ) is pushing a large truck (mass 1000 ) due east on a level road. The car exerts a horizontal force of 1580 on the truck. What is the magnitude of the force that the truck exerts on the car?
*July 28, 2012 by anonymous*

**college physics**

a delivery truck is 5 km away from a car. the two started at the same time and headed at the same direction. the delivery truck accelerates at 3m/s. if the car should overtake the truck in ten minutes, what should be the acceleration of the car?
*August 18, 2012 by Anonymous*

**college physics**

a delivery truck is 5 km away from a car. the two started at the same time and headed at the same direction. the delivery truck accelerates at 3m/s. if the car should overtake the truck in ten minutes, what should be the acceleration of the car?
*August 18, 2012 by Anonymous*

**General Physics 1**

1) A car moving with an initial velocity of 29.6 m/s decreases to a velocity of 17.9 m/s over a time interval of 4.08 seconds. (a.) What is the average acceleration of the car during this time? (b.) Assuming the acceleration is constant, how far did the car travel during this ...
*June 16, 2014 by Kyle*

**Physics Class**

A 965 kg car is driving along a boardwalk. The car's center of mass is 45 cm in front of the rear wheels, and the distance between the front and rear wheels is 2 m. What total force does the car's front tires exert on the boardwalk? Give your answer in Newtons.
*April 28, 2011 by Paige*

**Physics**

Jake has a mass of 88.0 kg and is zooming along in a 110.0-kg bumper car at 9.4 m/s. He bumped Allen's car, which is sitting at rest. Allen has a mass of 88.0 kg. After the elastic collision, Jake continues ahead with a speed of 3.2 m/s. How fast is Allen's car bumped across ...
*March 18, 2013 by Ian*

**Physics**

A car is traveling at 16.0 m/s, and the driver sees a traffic light turn red. After 0.500 s (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first ...
*January 24, 2014 by Jon*

**Physics**

A car is traveling at 11.0 m/s, and the driver sees a traffic light turn red. After .59 s (the reaction time), the driver applies the brakes, and the car decelerates at 8 m/s^2. What is the stopping distance of the car, as measured from the point where the driver first sees ...
*June 27, 2014 by Sue*

**ALGEBRA**

I went to the car show this weekend and that is what I saw: Every red car was a sport car, but I found it odd that half of all the blue were sports cars. A salesman told me that half of all the sports car were red. I counted 40 blue cars and 30 red cars. How many sports cars ...
*February 23, 2012 by el chave del ocho*

**southuniversity**

You have been hired as the marketing manager. Research and identify major approaches of how innovations like these are adopted by consumers. Discuss how the marketing strategy for the car needs to rapidly move through these processes. Who or what are the key groups that need ...
*February 25, 2011 by Cecilia*

**Physics**

Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient ...
*June 3, 2014 by Anonymous*

**Physics**

Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient ...
*June 3, 2014 by Anonymous*

**Science**

A car weights 1.30 X 10^4 N is initially moving at a speed of 40km/h when the brakes are applied and the car is brought to a stop in 15m. Assuming that the force that srops the car is constant. find a)magnitude of the force b)time required for the change in speed. If the ...
*November 12, 2006 by Ren*

**physics**

In the movie Spiderman 2, there's a famous minute long scene where Spiderman stops a train. If the initial speed of a five car out of control subway train was around the top speed of the NYC subway (27 m/s), and Spiderman stopped the train in exactly one minute, then what is ...
*June 4, 2013 by keshav*

**physics**

A tourist purchases a car in England and ships it home to the United States. The car sticker advertised that the car's fuel consumption was at the rate of 40 miles per gallon on the open road. The tourist does not realize that the U.K. gallon differs from the U.S. gallon: 1 U....
*September 1, 2011 by jessica*

**Physics**

You are driving a 2520.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
*October 5, 2010 by Preston*

**physics**

you are driving a 2520.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
*October 13, 2011 by James*

**Physics**

You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
*November 17, 2012 by Caleb*

**Physics**

You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
*November 17, 2012 by Caleb*

**Physics**

You are driving a 2570.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides to a halt in a ...
*November 17, 2012 by Caleb*

**Physics**

A car is doing a loop-the-loop. The loop has a radius of .4m. Assume the car is starting with the minimum speed it needs in order to stay in contact with the track at all times (at the top of the track, the car is not applying a force to the track). neglect friction. What is ...
*March 6, 2012 by Melissa*

**math**

The bumper car ride at the state fair has 3 red cars, 4 green cars, and 2 blue cars. Joe is first in line for the ride and is assigned a car at random. Bill in next in line and is randomly assigned a car. What is the probability that both joe and bill will drive a red bumper ...
*May 24, 2010 by kira*

**Physics **

A car travels 20.2 km due north and then 31.3 km in a direction φ = 61.2◦ west of north. Find the magnitude of the car’s resultant displacement. Then Calculate the direction of the car’s resultant displacement, measured counterclockwise from the northerly direction.
*January 28, 2013 by Aurora *

**Fractions.. :S**

How would I work out this question...? A car costs 1,150 after it was reduced by 15%. What was the original cost? :S If x is the original cost, then .85*x = 1,150 or x = 1,150/.85 So I would divide by 85 and times by 15 and then add my answer to 1,150? No, you would divide 1,...
*October 18, 2006 by Sarah*

**Physics**

A disgruntled physics student sees the front end of his teacher's car below him at the base of a building. If the student is 5.0 m high above the car which is 3.0 m long and traveling only 3m/s to the right, will the apple of the student hit the teacher's car? What is the ...
*June 24, 2014 by VAN*

**math**

Please help with all of these: 3 out of 32 10 out of 30 20 out of 29 3 out of 35 9 out of 34 24 out of 33 17 out of 19
*February 19, 2010 by Mattie*

**Algebra**

While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 100.8 newtons when the car is moving at a speed ...
*March 16, 2010 by Anonymous*

**physics**

How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 85m at a speed of 96km/hr? How do I figure this out if no mass is given?
*October 3, 2010 by Anonymous*

**Algebra**

You are a contestant on a game show and have the chance to win a car by rolling 5 dice. Each die has three sides that say CAR and three sides that are blank. In order for you to win the car you CAR on all five dice. You have three chanat ces to roll the dice. On each roll you ...
*May 1, 2012 by Dena*

**English**

1. You can take the bus. If somebody say the sentence, what does that mean? 2. You may take the bus. 3. You are able to take the bus. 4. You are allowed to take the bus. What does usually #1 mean? #2, 3, or 4?
*June 23, 2014 by rfvv*

**Physics**

A car traveling at a constant speed of 125 km/hr passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets in a chase after the car with a constant acceleration of 2.7 m/s^2. How far does the trooper travel before he ...
*January 13, 2008 by Lindsay*

**Math**

Would someone please check my answers to this problem: The license fee for a car varies directly with the value of the car. The fee for a car that is valued at $19,500 is $292.50. What is the constant of proportionality? My answer is: .105 cents per every one dollar of car ...
*April 22, 2007 by Merl*

**physic**

Lai was driving north on Hwy 75 with a speed of 56.9 m/s when she heard on a CB that a patrolman was hiding 127.3 m north of where she is. Knowing that the patrolman can start clocking the car in 2.7 seconds, Lai decided to slow to 34.2 m/s. and immediately pressed on the ...
*August 24, 2011 by Shannon*

**Physics**

Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater than that experienced by...
*April 8, 2014 by Jason*

**physics**

2. A car accelerates uniformly from +10.0 m/s to +40.0 m/s over a distance of 125 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required. Make sure your answer has the correct number ...
*January 14, 2013 by Anonymous*

**math**

Ecostar is a experimental battery operated car. At a top speed of 70 miles per hourr, the only sounds are wind and noise form the tires. The range of the ecostar is about 100 miles between charges. it takes thirty seconds to plug in the car and 20 more seconds to unplug it 7 ...
*November 12, 2007 by siskiu*

**chemistry**

a certain solution contains 0.35 mol of HCl in 1200 mL of water. What is the pH of the solution?
*March 7, 2011 by leah*

**math-probability**

uppose that cars arrive at a traffic light according to a Poisson process with a rate of one car per minute starting from time t = 0 minutes. Determine a. The probability that no cars arrive in the rst two minutes. b. The probability that no cars arrive ever. c. The ...
*February 17, 2012 by sridhar*

**math2**

Mary is moving and wants photos to remember her six friends. If pictures are taken so there is a shot of every possible pair of friends- including Mary, how many pictures will be take? Would one roll of 24 exposures be enough? 27 Mary is moving and wants photos to remember her...
*January 24, 2007 by Preston*

**math**

the limit of cuberoot((-3x^3+5x+2)/(x^2-1)) as x approaches 3 is the problem. how could (-3x^3+5x+2) so it would be factored out with denominator? thanks! If you read the answer I gave for the previous question, then you can take the limit inside to get lim x->3 of((-3x^3+...
*September 3, 2006 by .*

**Math**

Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before it becomes more ...
*July 4, 2011 by Staffon*

**physics**

A car tavels a distance of 100 m with a constant acceleration and average velocity of 20 m per second .The final velocity acquire D by the car is 25m per second .find the initial velocity and acceleration of car
*July 2, 2013 by spoorthi.p*

**Physics**

A force of -9200 N is used to stop 1500 kg car traveling at 23 m/s. What braking distance is need to bring the car to a halt?
*September 19, 2007 by Anonymous*

**physics**

When a car makes a sharp left turn, what causes the passengers to move toward the right side of the car? is it inertia??
*February 21, 2009 by Bella*

**physical science explorations**

A car of mass 900 kg moves at 10 m/s. What is the braking force required to stop the car in a time of 5 seconds?
*August 25, 2009 by Peter S.*

**physics**

A 10,000 kg frieight car is rolling along a track at 3.0 m/s. Calculate the time needed for a force of 1000 N to stop the car.
*April 22, 2010 by michaela*

**physics**

A car starts from rest with a velocity given by v=kt^3 where k is a constant. The expression for the distance traveld by the car from its position at t=0 is: a] 3kt^3 b] kt^3 c] 6kt d] kt^4/4
*August 24, 2010 by jake*

**carrol high school**

A car brakes from 60 mph to a full stop in 4 seconds. Find the accelerayion of the car during this interval
*September 8, 2010 by physics*

**Physics**

A car slams on its brakes, coming to a complete stop in 4 sec. The car was traveling north at 60 mph. Calculate the acceleration
*September 13, 2010 by April*

**physics**

A car starts from rest and accelerates uniformly over a time of 6.5 seconds for a distance of 150 m. Determine the acceleration of the car.
*October 7, 2010 by CJ*

**Physics**

suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What is its acceleration?
*October 24, 2010 by Lisa*

**Physics**

suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What is its acceleration?
*October 24, 2010 by Lisa*

**physics**

A 2100 kg car rounds a curve of 67 m banked at an angle of 13. If the car is traveling at 105 km/h, will a friction force be required? If so, in what direction?
*October 29, 2010 by Emma*

**physics**

A 1790-kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 78.4 m?
*January 27, 2011 by brian*

**physics**

A 1790-kg car is traveling with a speed of 15.6 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 78.4 m?
*January 28, 2011 by Anonymous*

**kbcc**

A car is initially traveling at 5 m/s when its begins its ascent up a 30 degree incline.how far up does the car travel before coming to rest
*April 5, 2011 by serge *

**physics**

6. A 1580 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.0 m?
*August 9, 2011 by rawaf*

**physics**

A 1340 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 51.5 m?
*September 14, 2011 by phillip*

**Physics**

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.?
*September 20, 2011 by Rafael*

**Physicss**

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.? Thank you
*September 20, 2011 by Rafael*

**physics**

a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.? Thank you
*September 21, 2011 by Raf*

**Physics**

What is the impact speed when a car moving at 95km/h bumps into the rear of another car traveling in the same direction at 93km/h?
*October 12, 2011 by Sarah*

**physics**

A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
*November 1, 2011 by Bobbie*

**physics**

the momentum of 900kg car initially moving north at 10m/s increases by 10,800. calculate the final velocity of the car.
*December 4, 2011 by gem*

**physics**

if a car generates 18 hp when traveling at a steady 88 km/h, what must be the average force exerted on the car due to friction and air resistance
*December 9, 2011 by eli*

**Physics**

What is the impact speed when a car moving at 114.0 km/h bumps into the rear of another car traveling in the same direction at 104.5 km/h?
*January 26, 2012 by Paige*

**physics**

A 1370 kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 49.5 m?
*February 28, 2012 by u/a*

**Math**

The distance of a car from a certain intersection after t seconds is given by d(t) = 12 + 3t - t2. When (that is, for which values of t) is the car 12 units away from the reference point?
*April 30, 2012 by Mack Johnson*

**algebra**

The distance of a car from a certain intersection after t seconds is given by d(t) = 14 + 4t - t2. When (that is, for which values of t) is the car 14 units away from the reference point?
*May 1, 2012 by Anonymous*

**Physics**

An Indy car with a speed of 120 km/h goes around a level, circular track with a radius of 1 km. What is the centripetal acceleration of the car (in m/s/s)?
*May 10, 2012 by Bob*

**Physics**

A 1560 kg car is traveling with a speed of 14.5 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.3 m?
*September 21, 2012 by Kellie*

**Physics 1**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 3, 2012 by Anonymous*

**Physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 3, 2012 by Donald*

**physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 8, 2012 by Donald*

**physics**

A 1720-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
*October 9, 2012 by Donald*

**Mechanics - physics**

A car of mass 400kg moving initial at 36km/h increases to 120km/h in 6sec, what is the force acting on the car?
*January 4, 2013 by Precious*

**Integrated Science **

What is the acceleration of a car when the engine exerts 20000 N of force, road friction is 10000 N and the mass of the car is 2000 kg?
*March 6, 2013 by Tonya Jones*

**physics**

A railroad car with a mass of 2000kg is rolling at a speed of 15m/s. What force would be required to stop the car in 10 seconds?
*March 21, 2013 by Tcrowder*

**physics**

if a car has the 800 joules of potential energy while sitting on a hill that is sloped 6meters of the ground, what is the mass of the car
*May 2, 2013 by Anonymous*

**Physics (Kinematics)**

A car starts from rest and accelerates uniformly for 10 seconds over a distance of 200 m. Determine the acceleration of the car.
*August 13, 2013 by Ashley*

**physics**

A 1523.7 kg car traveling with a speed of 20.8 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.5 m?
*September 20, 2013 by paul*

**Physics**

A 1000 kg car rounds a curve of radius 70 m banked at an angle of 12°. What is the magnitude of the friction force required for the car to travel at 82 km/h?
*September 30, 2013 by Charlie*

**physics**

With brakes fully applied, a 1370 kg car deccelerates from a speed of 98.0 km/hr. What is the work done by the braking force in bringing the car to a stop?
*July 11, 2014 by charles*

**physical science**

A small car with a weight of 2000 lb traveling at 30 mph can stop in about 100 ft. How far does it take for a large SUV weighing 8000 lb to stop if it is also traveling at 30 mph?
*December 15, 2011 by Fonda*

**math**

1/3and2/3 of the property costs 600 and 1200 respectivly what is the cost of total property
*April 4, 2013 by vaidehi*

**Math**

You borrow 1200 at a rate of 4.5% for a period of 6 months, how much will you pay at the end of the 6 months?
*April 1, 2014 by Slim*

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