Tuesday

July 29, 2014

July 29, 2014

Number of results: 11,352

**Physics**

A car traveling at 20m/s when the driver sees a child standing in the road. He takes 0.80s to react, then steps on the brakes and slows at 7.0m/s^2. How far does the car go before it stops?
*January 22, 2014 by Sandara*

**Physics **

A motorist traveling at 30 m/s passes a parked police car. At the instant the motorist passes the police car, the police car starts chasing the motorist with an acceleration of 3 m/s^2. How far does the police car have to travel to catch the motorist?
*February 5, 2012 by Krystal*

**Physics**

To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a car stopped at the red light. When the truck is 211.7 meters from the car the light turns green and the car immediately begins to accelerate at 2.30 m...
*March 2, 2014 by Yarielis*

**physics**

You are arguing over a cell phone while trailing an unmarked police car by 25.0 m; both your car and the police car are traveling at 120 km/h. Your argument diverts your attention from the police car for 2.0 s (long enough for you to look at the phone and yell,“I won't do that...
*September 5, 2013 by katie*

**Physics - Momentum of cars at intersection**

Car A(1750kg) traveling due south and car B (1450kg)due east. They reach the same intersection at the same time and collide. The cars lock together and move off at 35.8km/h[E31.6degS]. What was the velocity of each car before the collided? I tried this question using the law ...
*September 1, 2010 by Shaila*

**Physics**

Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in units of N. I have no...
*February 25, 2008 by Jenna*

**Physics**

The mass of a sports car is 1100 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.240 and the frontal area is 2.40 m2. Neglecting all other sources of friction, calculate the initial acceleration of the car ,if it has been traveling at 105 km/h and ...
*July 10, 2010 by Simi*

**physics**

A car is traveling 20m/s when the driver sees a child standing in the road. He takes 0.8s to react, then steps on the brakes and slows at 7.0m/s^2. How far does the car go before it stops? i dont know where to start.
*December 6, 2007 by Anonymous*

**physics**

A 726 kg car travels from Boone to Blowing Rock along US321. How much working is needed to keep the car traveling at a constant speed of 21.8 m/s around a curve of radius 28.4 m?
*December 5, 2010 by KC*

**Physics**

On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.17 m/s2. (a) How long does such a car, initially traveling at 22.4 m/s, take to stop? (b) How far does it travel in this time?
*March 9, 2011 by john*

**physics**

On a dry road, a car with good tires may be able to brake with a constant deceleration of 3.31 m/s2. (a) How long does such a car, initially traveling at 28.2 m/s, take to stop? (b) How far does it travel in this time?
*March 10, 2011 by john*

**physics**

A driver in a car traveling at a speed of 79 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 103 m? Answer in units of s
*October 13, 2011 by Asdfghjkl*

**physics**

A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? Answer in units of s
*December 14, 2011 by Anonymous*

**Physics **

A 1400 kg car rounds a curve of 57 m banked at an angle of 14 degree If the car is traveling at 98 km/h, how much friction force will be required? I cannot figure out how to solve this problem. Someone please help me?
*June 17, 2012 by Mike Joseph*

**physics**

A driver in a car traveling at a speed of 66 km/h sees a cat 118 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 114 m? Answer in units of s
*September 25, 2012 by gabbie*

**calculus**

A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 26 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.)
*January 11, 2013 by bobo*

**physics**

A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? answer in units of s
*September 30, 2013 by alex*

**physics**

A driver in a car traveling at a speed of 70 km/h sees a cat 129 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 125 m? answer in units of s
*September 30, 2013 by alex*

**Math**

On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a $40,000 foreign car...
*August 10, 2009 by B.B.*

**Physics**

A car traveling at 20 m/s applies the brakes. The coefficients of static and kinetic friction between the tires and the road are 0.80 and 0.50 respectively. (A) Determine the stopping distance if the car is able to stop as quickly as possible without skidding. (B) Determine ...
*October 25, 2012 by Brittney*

**College Algebra**

car traveling on a road perpendicular to railroad track, car is 30 meters from the crossing, train is 50 meters from the car; how far is the train from the crossing?
*May 8, 2010 by Margaret*

**Physics**

I have been working on this homework question for a bit, but I just can't get it. Please help me! Where must an object be placed with respect to a convex lens (f=20cm) to generate an upright image that is 4 times as large as the object? 10 cm in front 10 cm behind 55 cm in ...
*April 25, 2011 by Sonia*

**Physics **

Problem 4- Speedy car, driving at 30 m/s. The driver suddenly observes a slow-moving van 155 m ahead traveling at 5 m/s in the same direction. The driver of the car immediately applies the brakes causing a constant acceleration of 2 m/s2 in a direction opposite to the cars ...
*September 29, 2013 by Maryam*

**physics**

A motor car moving at a speed of 72 km/h can not come to a stop in less than 3 s while for a truck this time interval is 5.0s . On a highway the car is behind the truck both moving at 72 km/h . The truck gives a signal that it is going to stop at emergency. At what distance ...
*September 18, 2012 by v*

**physics**

tad drops a cherry pit out the car window 1 m above the ground while traveling down the road at 18 m/s. a.how far, horizontally, from the initial dropping point will the pit hit the ground? b. if the car continues to travel at the same speed, where will the car be in relation ...
*October 26, 2008 by Bailey*

**physics**

The speed limit in a school zone is 40.0 km/hr. A driver traveling at this speed sees a child run into the road 14 m ahead of the car. The driver applies the brakes and the car slows at a uniform rate of 8.3 m/s^2. If the driver's reaction time is 0.27 sec, what distance does ...
*December 2, 2009 by kimmy*

**Algebra**

How long will it take for a car that is traveling at 60 mph to overtake a bus that is traveling at 50 mph if the bus had a 2-hour head start?
*September 3, 2010 by Marlene*

**algebra**

How long will it take a car traveling at 60 mph to overtake a bus traveling at 40 mph if the bus had a 1.5 hour head start?
*February 20, 2011 by Jam*

**physics**

A car traveling in a straight line has a velocity of +8.5 m/s. After 3.5 s, its velocity is +9.0 m/s. What is the car's average acceleration in this time interval?
*January 16, 2012 by Anonymous*

**physics**

a sports car traveling at 27.8 m/s slows at a constant rate to a stop in 8.00 s. What is the displacement of the sports car in this time interval
*March 9, 2012 by red*

**Math**

At 10 am two cars start traveling toward each other from 287 miles apart. They passed each other at 1:30 pm. If the rate of the fster car exceeded the rate of the slower car by 6 miles per hour, find the rat (in mph) of the faster car. A. 38 B. 40 C. 44 D. 48 E. 50 I think it ...
*November 7, 2010 by Quinn*

**physics**

The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 4.75 m/s2. If the car's initial speed is 32.1 m/s, how long does it take to stop and how far does it travel, starting from the moment the brakes ...
*September 13, 2011 by Nour *

**Algebra**

A car is traveling at an average speed of 54 miles per hours. How many minutes will it take the car to travel 117 miles
*May 8, 2014 by Anonymous*

**energy**

A 68 kg student traveling in a car with a constant velocity has a kinetic energy of 1.5 104 J. What is the speedometer reading of the car in km/h?
*February 20, 2011 by big k*

**Physics**

A car traveling with constant speed travels 150 in two hours. What is the speed of the car in SI UNITS?
*September 7, 2011 by Parish*

**PHYSICS**

A CAR IS TRAVELING AWAY FROM YOU AT 70.0 MI/H. THE CAR HORN PRODUCES A SOUND AT A FREQUENCY OF 5000HZ. WHAT FREQUENCY DO YOU HEAR?
*April 15, 2012 by ~ALICE~*

**PHYSICS**

A CAR IS TRAVELING TOWARDS YOU AT 70.0 MI/H. THE CAR HORN PRODUCES A SOUND AT A FREQUENCY OF 5000HZ. WHAT FREQUENCY DO YOU HEAR?
*April 15, 2012 by ~ALICE~*

**AP Physics**

1. A car is traveling down the road at a constant speed of 11 km/h. At time zero it is forced to stop. The driver slams on the brakes and the car travels 18 m as it uniformly accelerates, coming to a stop. The car remains at rest for 5.0 seconds. Then the driver shifts into ...
*September 8, 2011 by ThinkPink*

**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?
*June 24, 2014 by VAN*

**physics**

Two cars are traveling along a straight line in the same direction, the lead car at 26 m/s and the other car at 40 m/s. At the moment the cars are 49 m apart, the lead driver applies the brakes, causing the car to have a deceleration of 1.5 m/s^2. How long does it take for ...
*September 22, 2011 by Anonymous*

**Physics**

An automobile is traveling 65 km/hr. It brakes decelerate it 6.o m/s^2. a) How long will it take to stop the car? b) How far will the car travel after the brakes are applied?
*November 3, 2010 by may*

**Physics**

A police car's siren has a frequency of 567-Hz while traveling at 24.8-m/s. If the car is coming toward you, and you are stationary, what frequency would you hear?
*February 28, 2013 by Aubrey*

** math**

a car is traveling at a speed of 30.0m/s encounters an emergency and comes to complete stop how much time will it take for the car to stop if it decelerates -4.o m/s^2
*October 9, 2013 by Anonymous*

**Physics**

A driver in a car traveling at a speed of 76 km/h sees a cat 109 m away on the road. How long will it take for the car to acceler- ate uniformly to a stop in exactly 106 m? Answer in units of s
*September 25, 2012 by Lily*

**Physics**

A car is traveling at 66.9 mi/h on a horizontal highway. The acceleration of gravity is 9.8 m/s2. If the coefficient of friction between road and tires on a rainy day is 0.13, what is the minimum distance in which the car will stop? (1 mi = 1.609) Answer in units of m
*February 19, 2013 by dallas*

**Physics (12)**

A car and train move together along parallel paths at 25 m/s [W]. The car then undergoes a uniform acceleration of 2.5m/s^2 [E] because of a red light and comes to rest. It remains at rest for 45s, then accelerates back to a velocity of 25m/s [W] at a rate of 2.5m/s^2 [W]. How...
*September 11, 2007 by Brooke*

**Physics**

A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is 6.0m/s 2 . After 4.0s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant speed of 70 m/s ...
*January 6, 2010 by Harry*

**physics**

At car (1140-kg)traveling at 76.04 m/s and truck (12600-kg)traveling 6.88 m/s have a head-on collision and then stick together. What is their final common velocity (m/s)? (assume the car is going in the positive direction) What is the cars' change in momentum in the above ...
*June 29, 2011 by Casey*

**Rock Hill**

What will the stopping distance be for a 3,000-kg car if -3,000 N of force are applied when the car is traveling 10 m/s?
*May 3, 2010 by yolanda*

**physical science**

What will the stopping distance be for a 1,000-kg car if -2,000 N of force are applied when the car is traveling 10 m/s?
*May 19, 2010 by joe*

**Physics**

A car traveling at a velocity of 24 m/s is accelerated uniformly at a rate of 2 m/s¶ for 8 seconds. What is the final velocity of the car?
*November 14, 2013 by lee*

**physical science**

While traveling south on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. Calculate the acceleration. = -2.5-6.0-150-450 mi./hr2 NSWEn/a
*June 27, 2011 by pat*

**Physics 30**

a 2000kg car traveling east at 24m/sec enters an icy (frictionless) intersection and collides with a 3600kg truck traveling south at 10 m/sec. If they become coupled together in the collision, what is their velocity immediately after impact?
*May 1, 2012 by Don*

**Physics**

how fast would you have to be traveling at in a spaceship in order to appear to age 20% slower than your classmate left behind on earth
*January 14, 2013 by Joe Mama*

**Physics**

The speed limit in a school zone is 40 km/h. A driver traveling at this speed sees a child run into the road 23 m ahead of hs car. He applies the brakes, and the car decelerates at a uniform rate of 8.0m/s^2. if the driver's reaction time is .25s, will the car stop before ...
*September 3, 2009 by Anonymous*

**Physics**

A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 25 m/s as shown. The angle èA = 34° above the x axis, and the angle èB = 65° below the x axis. I found the car's acceleration to be 2.6 m/s^2 (a=v^2/r). Now I need to know the x...
*September 11, 2010 by Joy*

**physics**

A car is traveling at 25m/s when an accident occurs. The car decelerates 300m/s^2 but the passenger does not slow down because he is not wearing a seatbelt. a) Supposing the distance between the passenger and the dashboard is initially 0.50m, what will be the speed of the car ...
*February 10, 2013 by rob*

**Physics**

A car traveling at 10 m/s accelerates at 2.03 m/s2 for 11 seconds. To the nearest meter how far does it travel? To the nearest tenth of a m/s, what is the final velocity of the car in the previous problem?
*July 8, 2010 by Me*

**Physics**

A car traveling at 14 m/s accelerates at 2.11 m/s2 for 14 seconds. To the nearest meter how far does it travel? To the nearest tenth of a m/s, what is the final velocity of the car in the previous problem?
*January 24, 2012 by Julie*

**Physics**

A car traveling at 34.7 m/s and barkes with an acceleration of -3m/s^2 for 5 secons. How far does the car travel during the acceleration and what is the final velocity? I really need help on these bad!
*September 17, 2012 by Kristen Help!!!! Please!*

**science**

A car traveling along the highway needs a certain amount of force exerted on it to stop. More stopping force may be required when the car has:
*February 20, 2013 by john*

**Calculus**

A team has been working to convert diesel-powered cars to run just as efficiently on used cooking oil! They want to compare the mileage and speed of their prototype with that of the diesel-powered car. The prototype is 100 meters south of an intersection, while the diesel car ...
*August 1, 2011 by Cynthia*

**physics**

A speeding car is pulling away from a police car. The police car is moving at 30 m/s. The radar gun in the police car emits an electromagnetic wave with a frequency of 20.0 x 10^9 Hz. The wave reflects from the speeding car and returns to the police car where the frequency is ...
*August 21, 2010 by Liz*

**college physics**

A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is 5.40 m/s2; after 4.0 s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant speed of 69 m/s ...
*September 9, 2012 by Tess*

**college Physics**

A car is traveling at 7.0 m/s when the driver applies the brakes. the car move 1.5m before it comes toa complete stop. if the car had been moving at 14m/s how far would it have continued to move after the brakes were applied? assume the braking force is constant. what is the ...
*October 10, 2010 by Elizabeth*

**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*

**physics**

a tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.0m/s. the car is a distance d away the bear is 26m behind the tourist and running at 6.0m/s. the tourist reaches the car safely what is the maximum possible value for d? i got ...
*September 24, 2007 by ajo*

**Physics**

A car of mass = 1200 traveling at 60.0 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires.What is the radius of the turn if = 20.0 (assuming the car continues in uniform circular motion around ...
*April 6, 2011 by Brooke*

**Math-Probability **

This is another one I need help with. On a TV game show, the contestant is asked to select a door an then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability, what is the expected value of the selection if the doors have ...
*January 23, 2010 by C.J *

**physics**

A 9600 kg boxcar traveling at 15 m/s strikes a stationary second car. The two stick together and move off with a speed of 7.0 m/s. What is the mass of the second car?
*March 7, 2010 by Anonymous*

**physics**

7700-kg boxcar traveling 18m/s strikes a second car. The two stick together and move off with a speed of 5.0m/s. What is the mass of the second car?
*July 3, 2010 by muller*

**physical science**

a car traveling along the highway needs a certain amount of force exerted on it to stop.more stopping force may be required when the car has: ;
*February 4, 2011 by denise*

**Physics**

A 9500 kg boxcar traveling at 19 m/s strikes a stationary second car. The two stick together and move off with a speed of 10 m/s. What is the mass of the second car?
*February 1, 2012 by Davey*

**physics momentum**

A 485 kg boxcar traveling at 23 m/s strikes a second car (initially at rest). The cars couple, and move off at 9 m/s. What is the mass of the second car?
*March 19, 2012 by bobby*

**Calculus**

A car traveling at 42 ft/sec decelerates at a constant 7 feet per second squared. How many feet does the car travel before coming to a complete stop?
*April 26, 2012 by Izzy*

**Physics**

A 100 kg car traveling at 40 m/s bounces off a stationary 300 kg car-recoiling at 20 m/s after the collision. What is the change in momentum during the collision (in kgm/s)?
*March 13, 2013 by Taylor*

**Physics**

I'm learning about Newton's Laws of Motions and I'm having trouble understanding these questions: "A rear-end collision between a soft-drink truck and a car occurs. The truck driver claims the car backed into him, while the auto driver claims that the truck hit him from behind...
*July 8, 2010 by Stuck*

**physics**

A car is traveling at 60.6 mph on a horizontal highway. The acceleration of gravity is 9.8 m/s2. If the coefficient of friction between road and tires on a rainy day is 0.056, what is the minimum distance in which the car will stop? Answer in units of m. m = 60-kg.
*October 14, 2012 by Anonymous*

**algebra 2**

two cars leave an intersection. one car travels north; the other east. when the car traveling north had gone 15 miles, the distance between the cars was 5 mile more than the distance traveled by the car heading east.how far had the east bound car traveled?
*March 18, 2012 by amanda*

**maths**

a car is traveling at 100km/hr and rounds a slight curve to the right of 30 degrees. the driver hits a mailbox of 80kgs on the curb with the left front of his car. how far does the mailbox move and in what direction to the car's travel does it move. thank you for your help. p....
*December 26, 2011 by cisco*

**Physics**

Two cars are traveling on a desert road, as shown below. After 5.0 s, they are side by side at the next telephone pole. The distance between the poles is 107 m. (a) the displacement of car A after 5.0 s 1 m (b) the displacement of car B after 5.0 s 2 m (c) the average velocity...
*August 23, 2011 by Anonymous*

**Physics **

A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward?
*January 24, 2010 by Jeremy*

**Physics **

A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward?
*January 24, 2010 by Jeremy*

**Physics**

A car of mass 1,700 kg is initially traveling at a speed of 25 m/s. The driver then accelerates to a speed of 35 m/s over a distance of 500 m. Calculate the change in the kinetic energy of the car.
*July 11, 2012 by Sierra*

**Physics**

A car of mass 1,700 kg is initially traveling at a speed of 25 m/s. The driver then accelerates to a speed of 35 m/s over a distance of 500 m. Calculate the change in the kinetic energy of the car.
*July 11, 2012 by Sierra*

**physics**

a car is driven off the edge of that is 54.0 m high. the point of impact is 130m from the base of the cliff. how fast was the car traveling in (miles/hr) when it went over the cliff?
*June 28, 2014 by emma*

**Physics**

As a traffic light turns green, a waiting car starts with a constant acceleration of 6.0 m/second squared. At the instant the car begins to accelerate, a truck with the constant velocity of 21 m/ second squared passes in the next lane. HINT:Set the 2 distance equations equal ...
*September 17, 2008 by Brandon*

**physics**

Suppose a car is traveling at 17.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured from the point where ...
*January 26, 2012 by Mi26*

**Physics**

Suppose a car is traveling at 14.0 m/s, and the driver sees a traffic light turn red. After 0.500 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured from the point where ...
*January 31, 2012 by Anonymous*

**physics **

Suppose a car is traveling at +23.8 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 7.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*September 6, 2012 by gabe*

**Physics**

Suppose a car is traveling at +24.8 m/s, and the driver sees a traffic light turn red. After 0.372 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*September 11, 2012 by StressedStudent*

**physics**

Suppose a car is traveling at +24.1 m/s, and the driver sees a traffic light turn red. After 0.366 s has elapsed (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...
*June 16, 2013 by louis aaaaa*

**physics**

Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*June 18, 2013 by dre*

**Physics**

Suppose a car is traveling at +22.0 m/s, and the driver sees a traffic light turn red. After 0.560 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 4.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*August 31, 2013 by WR*

**physics**

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (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...
*September 11, 2013 by Julie*

**physics**

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (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...
*September 11, 2013 by Julie*

**physics**

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (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...
*September 11, 2013 by Julie*

**Calculus Antiderivative Problem**

A car traveling at 46 mph decelerates at 21 feet per second per second. a). How long does it take for the car to come to a complete stop? b). What distance is required to bring the car to a complete stop? An
*November 8, 2013 by Claire*

**physics**

The driver of a 1300 kg car, initially traveling at 10.1 m/s, applies the brakes, bringing the car to rest in a distance of 16.5 m. (a) Find the net work done on the car. (b) Find the magnitude and direction of the force that does this work. (Assume this force is constant.) ...
*February 22, 2012 by Henry*

**Math**

Please help me.... Two cars are starting from positions that are 20 miles apart. They are both headed for the same intersection, as depicted in the diagram below. Car A is traveling at 30 mph, and Car B is traveling at 45 mph. Which car will reach the intersection first? 1. ...
*January 8, 2014 by Lizzie098*

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