Sunday

April 20, 2014

April 20, 2014

Number of results: 19,399

**Physics**

A race car driver drives her 1500 kg car around a circular turn, which is banked at an angle of 20 degrees to the horizontal. If the car is traveling around the frictionless curve of radius 100m, a) What is providing the center-seeking force on the car? (ie. centripetal force...
*Tuesday, December 1, 2009 at 8:47pm by Anonymous*

**physics**

A car drives around a curve with radius 410 m at a speed of 39 m/s. The road is banked at 4.6°. The mass of the car is 1600 kg. (a) What is the frictional force on the car? (b) At what speed could you drive around this curve so that the force of friction is zero?
*Thursday, March 25, 2010 at 4:00pm by Anonymous*

**physics**

A car drives around a curve with radius 390 m at a speed of 32 m/s. The road is not banked. The mass of the car is 1200 kg. (a) What is the frictional force on the car? N c) Explain I really don't know how to solve this could someone please help me out on this. Thank you.
*Friday, May 25, 2012 at 4:22pm by Julia*

**Math**

Three men named Greene, Grey, and Tann along with two women name Browne and Whyte, each drive the car in their car pool on a different one of the five weekdays each week. Each person's car is a different one of these five colors: brown, gray, green, tan and white. From the ...
*Sunday, May 18, 2008 at 11:42pm by John*

**Physics**

A 1900 car starts from rest and drives around a flat 50--diameter circular track. The forward force provided by the car's drive wheels is a constant 1300 . A) What is the magnitude of the car's acceleration at ? B) What is the direction of the car's acceleration at ? Give the ...
*Tuesday, March 15, 2011 at 9:08pm by Dan*

**math**

a car drives around a circular track 3 times if the track has a radius of 0.5 miles , how far did the car travel in total?
*Thursday, February 17, 2011 at 8:04pm by linda*

**Physics**

A 1500 kg car is turning around an arc of radius 20 m at a constant speed of 30 mph without slipping. What is the friction force the ground exerts on the car?
*Monday, March 21, 2011 at 5:49pm by James*

**physics**

Let a force of 1500 Newtons act through a distance of 200 meters on a 1500 kg car which starts from rest. a. What is the work done? b. What is the final velocity? c. What is the car's momentum? d. What is the car's change in momentum? e. What is the car's Kinetic Energy? f. ...
*Monday, November 14, 2011 at 8:46pm by Ryan*

**Agebra 1**

A rental car charges $25.00 per day plus $.30 for every mile the car is driven. Dale rents a car while his own car is being repaired, and he only drives it to and from work each day. Dale drives 7 miles each way to and from work. Write an expression to represents Dale's cost ...
*Monday, November 26, 2012 at 9:38pm by israel oyedapo*

**grammar**

Is the verb drives transitive or intransitive in the following sentence? Micheal drives his own car.
*Friday, April 26, 2013 at 5:35pm by kara*

**PHYSIC**

If a blue car drives 10km/h across the deck of an ocean liner that is traveling at 90km/h, what is the blue car's speed relative to the surface of the water when it drives toward the front of the ocean liner?
*Wednesday, October 6, 2010 at 1:45pm by ANA*

**Physics**

A 1900kg car starts from rest and drives around a flat 56-m-diameter circular track. The forward force provided by the car's drive wheels is a constant 1000N. a. What is the magnitude of the car's acceleration at t=13s? b. What is the direction of the car's acceleration at t=...
*Tuesday, March 9, 2010 at 5:32pm by Kay*

**math**

thank you. can you please check this for me: henri rici paid $5000 for a car. after one year, its value had decreased by $1500. by what percent had the car depreciated in value? is it 5000x=1500?
*Sunday, March 18, 2012 at 7:24pm by jocelyn*

**physical science**

A person drives a car around a circular cloverleaf with a radius of 58 m at a uniform speed of 10 m/s. ) Compare this answer with the acceleration due to gravity as a percentage
*Thursday, July 12, 2012 at 1:15pm by cre*

**science**

joey drives his car 7 kilometers north. he stops for lunch and then drives 5 kilometers south. what distance did he cover?
*Monday, January 27, 2014 at 7:32pm by aly*

**math**

A computer store sold a total of 300 items last month. The store sold six times as many hard drives as they did CD-ROM drives, and half as many floppy drives as hard drives. Based on this information, how many of each item were sold? A. 30 hard drives, 90 floppy drives, and ...
*Friday, May 15, 2009 at 10:37pm by Emma*

**english**

Here's a sentence: The tall, young teacher drives a bright red sports car. Simple subject: teacher Complete subject: The tall, young teacher Verb: drives Complete predicate: drives a bright red sports car
*Monday, December 12, 2011 at 10:02pm by Writeacher*

**physics**

A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 2.75 times around the track. Find the angle that the total acceleration of the car makes with the radius connecting the center of the track and the car at the moment ...
*Friday, February 18, 2011 at 1:54pm by eric*

**Physics**

A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car?
*Wednesday, April 2, 2008 at 11:44pm by Tasha*

**physics**

A car travels at a constant speed around a circular track whose radius is 2.8 km. The car goes once around the track in 300 s. What is the magnitude of the centripetal acceleration of the car?
*Sunday, July 18, 2010 at 10:52pm by Anonymous*

**PHYSICS**

A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 280 s. What is the magnitude of the centripetal acceleration of the car?
*Thursday, September 30, 2010 at 8:31pm by Joshua*

**Physics**

A car travels at a constant speed around a circular track whose radius is 2.9 km. The car goes once around the track in 380 s. What is the magnitude of the centripetal acceleration of the car?
*Saturday, October 23, 2010 at 12:33pm by Angela *

**physics**

A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0?
*Monday, October 12, 2009 at 1:49am by Dan*

**Physics**

A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0∘ ?
*Saturday, November 23, 2013 at 3:16pm by Amy*

**Physics**

A car travels at a constant speed around a circular track whose radius is 2.5 km. The car goes once around the track in 430 s. What is the magnitude of the centripetal acceleration of the car? m/s2
*Wednesday, April 2, 2008 at 4:44pm by Will G*

**physics**

A car travels at a constant speed around a circular track whose radius is 2.60 km. The car goes once around the track in 344 s. What is the magnitude of the centripetal acceleration of the car?
*Monday, February 13, 2012 at 9:00pm by Joe*

**physics**

A car travels at a constant speed around a circular track whose radius is 2.1 km. The car goes once around the track in 320 s. What is the magnitude of the centripetal acceleration of the car? 1 m/s2
*Tuesday, November 6, 2012 at 10:23am by Anonymous*

**PHYSICS**

A 1500- KG CAR IS MOVING WITH A VELOCITY OF 20m/s on a straight road when the brakes are applied uniformly. The car stops after traveling a distance of 200m.what is the braking force on the car?
*Wednesday, February 29, 2012 at 4:44pm by ALHARRADH*

**Physics**

A sleepy man drives a car along a straight section of highway at a constant speed of 89.6 km/h. His eyes begin to close, and his car moves at an angle of 4.90° relative to the road. For how long can his attention lapse before the car begins to move across the lane divider, ...
*Thursday, February 2, 2012 at 1:12am by Aaron*

**PHYSICS**

super easy (I think) but I must be missing some concept... A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 5.00 times around the track. Find the angle that the total acceleration of the car makes with the radius ...
*Wednesday, January 6, 2010 at 9:48pm by Laila*

**Physics**

(a)A car travels exactly once around a circle of radius 5.0 m at constant speed of 3.0 m/s. What is the car’s average velocity (magnitude and direction) during this interval? Explain/justify. (b)Repeat the calculation of average velocity if the car travels halfway around the ...
*Saturday, September 19, 2009 at 11:50am by Sonya*

**Physics**

Aiyana drives for 100 s at a rate of 20m/s, then turns around and drives for another 200 s at a rate of 30m/s and completes the rest of her journey at a rate of 90m/s for 100 s. what is her average velocity?
*Sunday, October 14, 2012 at 7:59pm by Sarah*

**Physics**

San Francisco a very simple technique is used to turn around a cable car when it reaches the end of its route. The car rolls onto a turntable, which can rotate about a vertical axis through its center. Then, two people push perpendicularly on the car, one at each end. The ...
*Wednesday, March 21, 2007 at 2:32pm by Mary*

**physics**

if a car drives over a hill with a radius of 57 meters. At what maximum speed can the car travel without flying off the road
*Thursday, April 28, 2011 at 7:41pm by Wendy*

**math**

Let's read the question carefully. The store sold six times as many hard drives as they did CD-ROM drives . . . That narrows your choices to two of the answers. The next part: half as many floppy drives as hard drives . . . Which of the two meets that criterion?
*Friday, May 15, 2009 at 10:37pm by Ms. Sue*

**Physics**

A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its speed by 105 m/s every ...
*Monday, October 18, 2010 at 1:48pm by Diana*

**physics**

A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its speed by 105 m/s every ...
*Monday, October 18, 2010 at 6:49pm by Diana*

**math**

would te correct answer be ? 180 hard drives,90floppy drives, and 30 CD-ROM drives thank for all your help
*Monday, November 3, 2008 at 11:25am by unknown*

**math**

Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 11/2 minutes. How often does the faster car pass the slower car?
*Saturday, November 10, 2012 at 9:46pm by Anonymous*

**Math**

A computer store sold a total of 300 items in a month, and sold six times as many hard drives as they did CD-ROM drives, and half as many floppy drives as hard drives, how many of each item were sold?
*Monday, June 1, 2009 at 5:43pm by Laurie*

**Math**

Mr Connors drives his car 11 miles each day to and from work. Is this distance mr Connors drives commuting to work proportional to the number of days he works ? How do you know?
*Wednesday, February 5, 2014 at 12:11pm by Niko*

**physics**

A car drives 100 meters at 30 degrees north of east, stops, turns to an angleof 210 degrees from the east, and then drives another 60 meters. What is the magnitude of the total displacement?
*Monday, April 11, 2011 at 2:28pm by Mary*

**physics**

Two race cars are speeding around the racetrack at different speeds. One goes around the track in 2 minutes; the other goes around the track in 1½ minutes. How often does the faster car pass the slower car? Is there a formula to figure this out?
*Tuesday, October 26, 2010 at 5:05pm by Mike*

**Physics**

Joanne drives her car with a mass of 1000 kg at a speed of 18m/s .Find a road friction force that is need to bring her car to a halt in 12s
*Friday, February 28, 2014 at 3:42pm by Anonymous*

**Physics**

Joanne drives her car with a mass of 1000 {\rm kg} at a speed of 23m/s . Find a road friction force that is need to bring her car to a halt in 14s .
*Thursday, February 14, 2013 at 4:13pm by Ericca*

**physics**

a stationary car with a mass of 1500 kg reaches a velocity of 15 m/s 5 seconds after starting, what is the car's acceleration
*Monday, October 18, 2010 at 8:54pm by Joe Darp*

**physics**

An original stationary car with a mass of 1500 kg reaches a velocity of 15 m/s/s after starting. what is the car's acceleration?
*Sunday, December 5, 2010 at 1:19pm by Anonymous*

**Physics**

A car with a mass of 1500 kg moves at 26 m/s. What braking force is needed to bring the car to a halt in 10 s?
*Wednesday, July 25, 2012 at 1:13pm by DENNIS*

**math**

kano's college is 1200 miles away.he drives 300 miles each day.how long will it take him to get to college? _______________________________________ days / miles per day /miles in all _______________________________________ 5 / 300 /1500 300*5 =1500 is the number model write?
*Thursday, January 5, 2012 at 8:12pm by emily*

**physics**

A 1500.0 kg car accelerates uniformly to double its speed from 35.9 km/h in 4.74 s. What net force acted on this car?
*Tuesday, February 5, 2013 at 3:03pm by Emily*

**Calculus**

A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.
*Wednesday, January 27, 2010 at 8:29pm by <3*

**Calculus**

A car drives down a road in such a way that its velocity (in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.
*Thursday, January 28, 2010 at 1:27am by <3*

**physics**

The car's displacement 0.7 s after leaving the dock has a magnitude of 14.0 m. What is the car's speed at the instant it drives off the edge of the dock?
*Friday, January 21, 2011 at 10:43pm by joe*

**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?
*Wednesday, September 19, 2007 at 5:40pm by Anonymous*

**physics**

A car has a mass of 1500 kg. What is the direction and magnitude of the force that is required to accelerate the car at 4.5 meters per second squared to the east?
*Wednesday, November 4, 2009 at 11:30am by Anonymous*

**precalculus**

(a) 1500*2^(t/0.5) = 1500*2^(2t) (b) 1500*2^(2*20/60) = ? (c) 1500*2^(2*9) = ?
*Wednesday, March 2, 2011 at 1:18pm by agrin04*

**physics**

A car is traveling around a circular banked road without friction which is inclined at 72 degrees which has a vertical height of 25 meters. When the car is traveling at 16 m/s around the road, it is moving at the bottom on the incline (inner radius of the road when viewed from...
*Thursday, October 31, 2013 at 3:09pm by jack*

**Engineering**

You are given a hydraulic jack which you'd like to keep in your car in case you have a flat. Your vehicle weighs 4500lbs, and you know the jack will have to lift 1500 lbs when you put it under the axle. The hand end cylinder of the jack is 1/2inch in diameter and the "work" ...
*Monday, September 25, 2006 at 2:15pm by Matt*

**physics**

A car of 1500 kg mass moving with constant speed 10m/s for 10s . Calculate the average force acting on the car during this time
*Monday, April 29, 2013 at 8:30pm by saber*

**Calculus 2b**

A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=1t^(1/2)+1 . Find the car's average velocity (in m/s) between t=2 and t=6. ? I am lost!
*Tuesday, August 17, 2010 at 10:55pm by Mary*

**SCIENCE HELP!!??**

Hi Please any one can help me in my science homework It is Imagine that you were driving in a car and it was raining, what would be the froces acting around the car and what would the electrical charges bee around the car, on the base and in the sky. I will be happy to ...
*Thursday, January 25, 2007 at 5:00am by AQW*

**physics**

A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 1.0 s after leaving the dock has a magnitude of 12.8 m. What is the car's speed at the instant it drives off the edge of the dock?
*Wednesday, January 26, 2011 at 1:47pm by MS*

**physics**

A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.58 s after leaving the dock has a magnitude of 7.1 m. What is the car's speed at the instant it drives off the edge of the dock?
*Saturday, September 15, 2012 at 12:11am by tom*

**Physics**

A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.95 s after leaving the dock has a magnitude of 6.7 m. What is the car's speed at the instant it drives off the edge of the dock?
*Saturday, February 9, 2013 at 5:24pm by Andy*

**MATH**

A truck enters a highway driving 60mph. A car enter the highway at the same place 14 minutes later and drives 66mph in the dame direction. From the time the car enters the highway, how long will it take the car to pass th truck?
*Wednesday, March 9, 2011 at 8:49pm by MARIAH*

**Phy 131**

A child operating a radio-controlled model car on a dock accidentally steers it off the edge. The car's displacement 0.65 s after leaving the dock has a magnitude of 8.4 m. What is the car's speed at the instant it drives off the edge of the dock?
*Wednesday, May 18, 2011 at 4:06am by MacBook*

**Physics**

If a car drives off a 40 m high cliff with a horizontal velocity of 15 m/s, how far from the base of the cliff will the car strike the fround? Could someone help with the equation, please
*Sunday, January 2, 2011 at 4:28pm by JessieLynne*

**math**

A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=2t^1/2 +2 . Find the car's average velocity (in m/s) between t=4 and t=9. i really need help with thisss
*Saturday, January 29, 2011 at 1:13am by yoo*

**physics**

A car drives off a sheer cliff, moving horizontally at 17.2 m/s. If the base of the cliff is 14.4 meters below, estimate how long does the car remains in the air.
*Monday, February 13, 2012 at 12:15pm by jessica*

**physics**

A car drives off a sheer cliff, moving horizontally at 17.2 m/s. If the base of the cliff is 14.4 meters below, estimate how long does the car remains in the air.
*Monday, February 13, 2012 at 12:52pm by jessica*

**Physics**

A car can be driven around a 120 m radius curve at constant speed without sliding if the maximum centripetal acceleration is 0.130g. (a) What is the maximum speed that the car can travel around the curve without sliding? (b) If the car was on a circular race track with this ...
*Friday, September 21, 2012 at 12:26am by josephz*

**finance math**

A car dealer purchased 2 cars, one for $1500 and the other for $20000, He then sold the first car at a loss of 14% and the second car for a profit of 15%. Find the dealer¡¯s profit for the whole transaction and express the answer as a percentage of his total cost.
*Monday, August 27, 2012 at 12:49pm by timmy*

**physics**

A 1500-kg car is making a turn with a 100.0-m radius on a road where the coefficient of static friction is 0.70. What is the maximum speed the car can go without skidding?
*Sunday, November 7, 2010 at 9:45pm by jane*

**physics**

a 1500 kg car moving with a speed of 15 m/s collides with a utility pole and is brought to rest in 0.3 s. Find the average force exerted on the car during the collision.
*Monday, February 7, 2011 at 8:53pm by Kriti*

**Physics**

A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the eat. A stationary observer is standing due east of the oncoming car. a) What frequency will he hear assuming that the speed of sound is 343 m/s? b) What if the observer is standing due...
*Sunday, February 3, 2013 at 3:33pm by Patty*

**Math**

Jennifer drives 16 miles . She drives home along the same rout . How far does Jennifer drives?
*Thursday, December 8, 2011 at 4:06pm by Joel Miranda*

**Physics**

A car travels around a circular track (4 km diameter). Its tires have frictional coefficients: mS = 0.3 & mK = 0.2. If the track is flat, how fast can the car travel around the track and still maintain control?
*Monday, February 21, 2011 at 3:46pm by Paige*

**English**

1. My father goes to work by car. 2. My father goes to work by his car. 3. My father goes to work in his car. (Which one is grammatical?) English - Jen, Tuesday, May 18, 2010 at 11:11pm I would say "my father drives his car to work". 1 is probably the most acceptable of those...
*Wednesday, May 19, 2010 at 3:15am by rfvv*

**Math**

If niti drives her car at 5okm/hr from her home,she reaches the office late by 10min. However if she drives at 60km/hr,she reaches the office 5min early.find the distance of the office from her home.
*Saturday, September 8, 2012 at 3:51am by Simran kaur*

**physics**

Car traveling on circular track. Point A is at positive x,y. Point B is at positive x, negative y. A car is traveling around a horizontal circular track with radius r = 220 m as shown. It takes the car t = 51 s to go around the track once. The angle èA = 31° above the x axis, ...
*Monday, October 7, 2013 at 11:32am by Anonymous*

**physics**

The maximum speed that a car can travel around a flat curved road is 18m/s. What would be the maximum speed for that car around a curve with half the radius?
*Tuesday, November 17, 2009 at 7:21pm by Ruby*

**physics**

A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
*Monday, March 28, 2011 at 1:12am by bode*

**physics**

A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
*Monday, March 28, 2011 at 12:02pm by aaron*

**physic**

A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
*Tuesday, July 17, 2012 at 11:47am by Anonymous*

**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 ...
*Friday, February 17, 2012 at 5:46pm by Micheal*

**math**

a computer store sold a total of 300 items last month. the store sold six times as amny hard drives as they did CD-ROM drives, andhalf as many floppy drives as hard drives. based on this information, how many of each items were sold
*Sunday, December 9, 2012 at 12:06am by jean*

**math**

A computer store sold a total of 300 items last month. The store sold six times as many hard drives as they did CD-ROM drives, and half as many floppy drives as hard drives. Based on this information, how many of each items were sold?
*Saturday, August 19, 2006 at 11:42pm by Gabrielle*

**physics**

A 3800 kg car travels around an unbanked corner at the recommended speed of 65 km/hr. the radius of curvature is 80 m. a) what is the force that the road exerts on the car to keep it in motion around the corner? b) what force would the road need to exert if the car was ...
*Wednesday, September 19, 2012 at 6:26pm by Delia*

**Physics**

A car is rounding an unbanked circular turn with a speed of v = 35 m/s. The radius of the turn is r = 1500 m. What is the magnitude ac of the car’s centripetal acceleration?
*Wednesday, October 23, 2013 at 9:50am by Alhaya*

**Physics**

A car drives up a straight hill at a constant speed of 60 kilometers per hour. A truck drives over the crest of the hill at a constant speed of 60 miles per hour. What is the net force on the car and on the truck? 1. both not zero 2. not zero; zero 3. both zero 4. zero; not zero
*Thursday, October 13, 2011 at 12:48am by Mathew*

**physics**

An ambulance car is going with a speed of 60 km/h, while a car is trying to go around it in a circle with a speed 50 km/h. If the sound that ambulance car emits has a frequency of 1 kHz, which frequency does the driver of the car hear in Hz when the ambulance car is in the ...
*Sunday, September 22, 2013 at 1:09pm by aron*

**Physics**

Man stands out on the street with a frequency meter. A police car drives by with the sirens on and the frequency of the sounds measures 800 Hz when it get close but 600 Hz when the car goes away. a) What is the speed of the police car? b) What is the actual frequency of the ...
*Tuesday, April 15, 2014 at 8:29am by Physics: Doppler Effect ?*

**Math**

Do your answers make sense to you? 1500/8 = 187.5 = 188 boxes 1500/12 = 125 1500/16 = ?
*Tuesday, February 5, 2013 at 6:06pm by Ms. Sue*

**physics**

A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
*Tuesday, October 26, 2010 at 9:36pm by rachel*

**physics**

A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
*Tuesday, October 26, 2010 at 9:36pm by matt*

**phyisics**

A 615 kg racing car completes one lap in 14.3 s around a circular track with a radius of 40.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
*Tuesday, February 14, 2012 at 6:35pm by matt*

**Geology**

Imagine that the gasoline that you are burning in your car this week was refined from petroleum that was produced from jurassic-age rocks in Arkansas. What is the primary source of energy that has been reclaimed to power your car? Explain. Hint: What is the "heat engine" that ...
*Sunday, July 4, 2010 at 1:43pm by JAYJAY*

**physics**

A car of mass 1500 kg traveling at 15.6 m/s loses its brakes and collides with the rear end of the car in front of it, which has a mass of 1020 kg and is traveling in the same direction at 12.5 m/s. If the smaller car is given a speed of 15.3 m/s by the collision, what is the...
*Thursday, April 18, 2013 at 10:00pm by YOLO*

**ict**

why does a computer need a floopy drive as well as a hard drive It doesn't . None of my computers have floppy drives. Floppy drives were used in ancient times to have portable data input/export. These days we use CD/DVD drives and flash drives for portable data devices. =)
*Friday, January 26, 2007 at 3:19am by hannah*

**11th grade**

A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the acceleration of the car?
*Monday, November 29, 2010 at 9:01pm by john*

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