Wednesday

October 1, 2014

October 1, 2014

Number of results: 40,459

**physics, dynamics**

Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 2 m/s2 until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when t = 0, car B located 2000 m down the road is traveling towards A at a constant speed of ...
*January 13, 2011 by siti*

**Physics**

A car parked on a hill. The driver starts the car, accelerates until the car is driving at constant speed, drives at constant speed, then brakes to put the brake pad in contact with the spinning wheels. How is static friction, sliding friction, rolling friction, and air ...
*February 17, 2012 by Micheal*

**Physics **

7. A formula 1 racecar is capable of very quick starts (with a launch control system, that prevents the wheels from spinning during rapid acceleration)). A 2011 Ferrari (driven by none other than Agent 001) is initially at rest, and undergoes a constant acceleration of 14 m/s^...
*February 13, 2013 by Navmeet*

**psychology**

Paul thinks of himself as an excellent negotiator after purchasing a brand new car.two months later,his brother in -law Noah purchases the same model for $1,000 less than Paul paid!According to cognitive dissonance theory,Paul will probably: a)decide that he isn't as good as ...
*October 16, 2009 by vedrana*

**Physics**

To stop a car, first you require a certain reaction time to begin braking. Then the car slows down at a constant rate. Suppose that the total distance moved by your car during these two phases is 56.7 m when its initial speed is 85.0 km/h, and 24.4 m when the initial speed is ...
*March 5, 2008 by Lance*

**physics**

a 2390 kg car traveling to the west at 22.4 m/s slows down uniformly under a force of 8740 N to the east. (a) How much force would be required to cause the same acceleration on a car of mass 3140 kg? Answer in units N (b) How far would the car move before stopping? Answer in ...
*February 9, 2009 by Bob*

**Physics**

A roller coaster (340. kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the ...
*October 24, 2010 by Xavier*

**physics**

A roller coaster (375. kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the ...
*February 14, 2012 by Anonymous*

**Physics**

A roller coaster (491 kg) moves from A (1.09 m above the ground) to B (26.3 m above the ground). Two non-conservative forces are present: friction does -2.39 x 104 J of work on the car, and a chain mechanism does +5.18 x 104 J of work to help the car up a long climb. What is ...
*February 29, 2012 by Candy*

**physics**

A roller coaster (425 kg) moves from A (5.00 m above the ground) to B (28.0 m above the ground). Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. What is the ...
*March 21, 2012 by loweri*

**statistics urgent**

Consider all cars that are involved in an accident and assume that all cars are classified as either small or large. The probability that a small car is involved an accident is .2 if a small car is involved in an accident, the probabbility that there was fatality in that ...
*January 13, 2011 by James*

**physics**

(from Arons) Cars A and B travel along the same straight track. Car A is located at position s= 0.20 m at clock reading t= 0.0 s, and it maintains a constant speed of v= 0.17 m/s. Car B is located at position s=0.0 m at clock reading t= 0.04 s, and it maintains a constant ...
*October 8, 2012 by veronics*

**PHYSICS**

A 1000kg sports car accelerates from 0 to 25m/s in 7.5s what is the average power delivered by the engine? i know that POWER= W/delta T =Fv but im not sure how to calculate W can someone help me out with this one?
*October 24, 2007 by magic 8 ball*

**math**

a car is traveling at the rate of 40 miles per an hour. how many minutes will it take it to travel 220 miles? 220/40=5.5 5.5*60=330 330
*August 26, 2010 by anonymous1*

**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**

1)As a sound source moves away from a stationary observer, the number of waves will. decrease 2)How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than when the car is stationary? The speed of sound is 343 m/s. fs(v-vd/v-vs) 343(1/1-987...
*April 6, 2008 by Jon*

**You are interested in buying a new car and Bob let**

You are interested in buying a new car and Bob let's you borrow one of the new cars on his lot for a week to test drive. You decide you like the car and when you visit Bob to drop off the car, he hands you the following document and a pen: May 1, 201x I promise to pay to the ...
*August 14, 2011 by stacion*

**science**

To stop an elevator in free fall, brakes are installed between the walls of the elevator car and the walls of the shaft in which the car moves. In addition, springs with compression coils are installed on the floor, at the bottom of the shaft, in order to absorb the residual ...
*September 2, 2010 by christine*

**Intergated chemistry/physics**

If you were in a car travelling at 50 miles/hour, how many hours would it take to get to Miami, FL from Evansville, IN? Assume that there is no stopping on the way. Miami is 1,060 miles from Evansville.
*October 3, 2012 by Laura*

**physics **

Plot a speed-time graph of a car A traveling at a uniform speed of 80km/hr on the same graph plot the speed-time graph of 2nd car B starting from rest and uniformly accelarating through a maximum speed of 80km/hr a) what relations do you find between the distance covered by ...
*August 17, 2014 by Anonymous*

**physics**

A train is traveling along a straight, horizontal track at a constant speed of 20 mph (i.e.,a non-relativistic speed). An observer on the train places paint cans at the front and back of one of the cars. She then detonates the cans. Due to a malfunction, the can at the front ...
*April 6, 2014 by anonymous*

**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*

**physical science**

a car of mass 900 kg move at 10 m/s. What is the braking force required to stop the car in a time of 5 seconds?
*February 11, 2008 by jake*

**physics**

A car is driven 125km west and 65km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?
*October 20, 2008 by Julia*

**Physical Science**

A force of 400.0 N is exerted on a 1,250 N car while moving it a distance of 3.0 m. How much work was done on the car?
*January 29, 2009 by Misty T*

**physics**

A car accelerates at 2.25 m/s^2 along a straight road. It passes two marks that are 27.8 m apart at times t=3.80 s and t=5.25 s. What was the car's velocity at t=0?
*September 19, 2009 by Anonymous*

**physics - HELP**

A car accelerates at 2.25 m/s^2 along a straight road. It passes two marks that are 27.8 m apart at times t=3.80 s and t=5.25 s. What was the car's velocity at t=0?
*September 19, 2009 by Anonymous*

**Physics**

1580 kg car is traveling with speed of 15 m/s. What is magnitude of horizontal net force that's required to bring the car to a stop in 50 m?
*October 5, 2009 by Jenn*

**Physical Science**

A force of 400.0N is exerted on a 1,250N car while moving it a distance of 3.0m. How much work is done on the car.
*December 7, 2009 by Donna*

**Physical Science**

. A force of 400.0N is exerted on a 1,250N car while moving it a distance of 3.0m. How much work was done on the car?
*April 27, 2010 by kirk*

**Grammar**

Tony liked that car at the dealership. The verb in this phrase would be "at" right because it shows the action of where he likes the car??
*May 11, 2010 by Fabian*

**CALCULUS **

A car has constant declaration of 10 km/h/s until it stops. If the car's initial velocity is 120 km/h, determine its stopping distance.
*June 16, 2010 by Anonymous*

**Physical Science**

A force of 400.0 N is exerted on a 1,250 N car while moving it a distance of 3.0m. How much work was done on the car?
*September 30, 2010 by Casey*

**physics**

racing on a flat track, a car going 32 m/s rounds a curve 56m in radius. what is the car's centripetal acceleration?
*December 1, 2010 by john*

**physics **

My car is accelerating from o to 60 km/hr in 3.2 seconds. if the mass of my car is 2450kg and the froce of friction is 30 N, what is the force produced by my cars engine
*February 16, 2011 by Anonymous*

**Physics**

A car is traveling a road that makes quarter of a circle with a constant speed. What is the magnitude of the average velocity of the car?
*March 1, 2011 by Jasalle*

**Physics**

A car accelerates uniformly in a straight line from rest at the rate of 2.7 m/s 2 . What is the speed of the car after it has traveled 58 m? Answer in m/s
*September 18, 2011 by Hayley*

**Physics**

A 1596 kg car traveling at 24.91 m/s skids to a halt. What is the change in the combined thermal energy of the car and the road surface?
*September 28, 2011 by Joe*

**physics**

A car starts from rest and travels for 5.5 s with a uniform deceleration of 1.3 m/s 2 . What is the ﬁnal velocity of the car? Answer in units of m/s
*September 29, 2011 by izzy*

**Physics**

A 1596 kg car traveling at 24.91 m/s skids to a halt. What is the change in the combined thermal energy of the car and the road surface?
*September 29, 2011 by Joe*

**physics**

A car having an initial speed of 16 m/s is uniformly brought to rest in 4.0 s. How far does the car travel during this 4.0 s interval?
*October 20, 2011 by john*

**physics**

a car starts from rest and accelerates at in a straight line at a constant rate of 4.5m/s/s. How far will the car travel in 35 seconds.
*November 22, 2011 by al*

**science**

a 500kg remote control car traveled 10 meters down the street in 5 seconds. What is the toy car's momentum?
*December 4, 2011 by Anonymous*

**Physics**

Two men pushing a stalled car generate a net force of +655 N for 8.3 s. What is the final momentum of the car?
*December 4, 2011 by Haile*

**physics**

a force of400.0 is exerted on a 1250 N car while moving it a distance of3.0 m. how much work was done on the car
*January 30, 2012 by Anonymous*

**scottsdale CC**

A car travels around a curve at a constant speed of 80.0 km/h. What is the cars instantaneous velocity at an instant when it is headed west
*February 20, 2012 by juan *

**physics**

Two men pushing a stalled car generate a net force of +698 N for 7.37 s. What is the final momentum of the car?
*February 23, 2012 by Tom*

**calculus**

The velocity of a car is given by v(t)= 20(x+sin(x)0 miles per hour. a. how far does the car travel between t=1 and t=3.2 hours?
*March 14, 2012 by Ilyas*

**algebra**

If a car leaves a skid mark of 500 feet, how fast was the car traveling? Using the formula r=25L
*April 23, 2012 by Coach*

**Physics**

A car of mass m = 1450 kg is traveling at a speed of v0 = 79 km/h (21.9 m/s). Calculate the work that must be done by the brakes to completely stop the car in kJ
*May 27, 2012 by Nate*

**physics**

A formula one car is moving at mach 0.16 when the temperature of the air is 20.0c. What is the speed of the car in kilometers per hour?
*June 6, 2012 by Melissa*

**PHYSICS !! **

A car weighing 10,000 newtons is parked in a garage. Which statement is true about the forces acting on the car?
*July 19, 2012 by jay_x*

**Physics**

A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m. Determine the acceleratin of the car
*September 16, 2012 by Latryce*

**physics**

a car skids to a halt at a rate of -9.4 m/s2. the skid marks measure 34 m. what speed was the car going when it slammed on the brakes?
*September 17, 2012 by karla*

**physics**

If the coefficient of friction between the tires of a car and the road is 0.101, what is the minimum stopping distance of a car traveling at 78.4 km/hr?
*September 29, 2012 by Demis*

**Science**

A car of mass 1190 kg is on an icy driveway inclined at an angle of 28◦ If the incline is frictionless, what is the acceleration of the car?
*November 14, 2012 by Brett*

**science**

A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?
*November 19, 2012 by Mouli*

**Science.**

A car travels 5km to east. Then it goes 3km to north and then 2km to west. What is the displacement the car has traveled?
*November 21, 2012 by Aj tuhin*

**math**

Magnus purchased a car for $35,865. It depreciates about 3.6% each year. What is the value of the car after ten years?
*November 30, 2012 by kelsey*

**Physics**

Suppose a 1,600 kg car is traveling at 20.0 m/s. What average force is needed to stop the car in 4.0 s? Can you explain to me how you got your answer, thank you.
*February 16, 2013 by Demere*

**Physics**

A 1000 kg car is accelerated from rest to 100 miles/hour in 10 seconds. Find the output power of this car
*February 28, 2013 by Morgan*

**physics**

a car of mass 2000kg has a driving force of 4500N and experiences an air resistance of 1500N, What is the car's acceleration??
*June 24, 2013 by ashley*

**science**

a car eneters a freeway with a speed of 6.7 m\s and accelerates uniformly for 3.0 I 3.8 min . how fas the car moving after this time?
*September 22, 2013 by Monique*

**algebra**

a new car costs $13,000 and is depreciating by $900 each year..how much will the car be worth after 4 years?
*January 9, 2014 by alexis*

**physics**

A(n) 800 kg drag race car accelerates from rest to 103 km/h in 1.05 s. What average net force is exerted on the car?
*January 23, 2014 by NADIA*

**Physics**

A 12,000kg railroad car traveling at 12.0m/s couples with an identical car sitting on the tracks. What is the speed of the joined card?
*April 22, 2014 by Shon*

**Physics**

A driver brings a car traveling at 22m/s to a full stop in 2 seconds. How fast does the car uniformly decelerate?
*September 14, 2014 by Spencer*

**Physics**

While entering a freeway, a car accelerates from rest at a rate of 2.3 m/s2 for 12 s.How far does the car travel in those 12 s, in meters?
*September 14, 2014 by Kyle*

**physic**

Pressing the brake of a car causes it to slow down from 29 m/s at a rate of -2.0 m/s2 for a period of 4 s. How far did the car travel during these 4 s?
*September 18, 2014 by samiboo711*

**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*

**Statistics**

The Graduate Record Examination (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: 1. Draw a rough sketch, darkening the ...
*September 22, 2014 by Jill*

**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 cars average speed in m/s (b) the cars 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 cars average speed in m/s (b) the cars 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**

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 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*

**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*

**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*

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