Monday

November 30, 2015
Number of results: 33,964

**eletromagnets**

In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free protons following a ...
*December 5, 2013 by BJ*

**physics**

In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free protons following a ...
*December 5, 2013 by J.O*

**Physics**

You are the juror of a case involving a drunken driver whose 972 kg sports car ran into a stationary 2094 kg station wagon stopped at a red traffic light. The cars stuck together and slid with locked wheels for 11.0 m before coming to rest. The coefficient of sliding friction ...
*October 7, 2014 by Katrina*

**Physics**

A car travels at a speed of 25 m/s on a flat stretch road. The driver must maintain pressure on the accelerator to keep the car moving at this speed. The car's engine is doing work on the car, yet the kinetic energy of the car is not changing. What is happening to the energy ...
*August 5, 2013 by Rachel.*

**Physics**

A car travels at a speed of 25 m/s on a flat stretch road. The driver must maintain pressure on the accelerator to keep the car moving at this speed. The car's engine is doing work on the car, yet the kinetic energy of the car is not changing. What is happening to the energy ...
*August 5, 2013 by Rachel.*

**physics**

A car traveling in a straight line has a velocity of +4.9 m/s. After an acceleration of 0.50 m/s2, the car's velocity is +7.3 m/s. In what time interval did the acceleration occur?
*September 27, 2010 by Anonymous*

**physics**

A car traveling in a straight line has a velocity of +4.9 m/s. After an acceleration of 0.50 m/s2, the car's velocity is +7.3 m/s. In what time interval did the acceleration occur? 1 s
*September 27, 2010 by Anonymous*

**physics**

A car traveling in a straight line has a velocity of +3.3 m/s. After an acceleration of 0.71 m/s2, the car's velocity is +8.8 m/s. In what time interval did the acceleration occur?
*October 14, 2012 by logan*

**physics**

A car traveling in a straight line has a velocity of +5.6 m/s. After an acceleration of 0.65 m/s2, the car’s velocity is +9.6 m/s. In what time interval did the acceleration occur?
*November 3, 2013 by Jordan*

**Physics**

I don't know if my answers are right. D: 1)Why is a time interval always positive? I'm not really sure but I wrote down something with vectors and scalars. 2)If the average acceleration of a car is zero in a given time interval, what can you tell about the displacement of the ...
*October 1, 2014 by Selena*

**physics**

A passenger sitting in the rear of the bus claims that he was injured when the driver slammed on the brakes, causing a suitcase in front of the bus to come flying towards him. If you were the judge in this case, what disposition would you make and why?
*September 21, 2012 by krizha*

**grade 11 physics**

Cathy takes the bus home from work. In her hand she holds a 2 kg cake box, tied together with a string. As she ascends the steps into the bus,the box accelerates upward at a rate of 2.5m/s^2. what is the force exerted on the string? Fg=ma =2*9.8 =19.6N Fn=ma-Fg =2*2.5-(-19.6...
*January 24, 2010 by Sarah N H*

**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*

**Physics**

A commuter backs her car out of her garage with a constant acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 1.60 m/s? s (b) If she then brakes to a stop in 0.8 s, what is her (constant) deceleration? m/s2
*September 10, 2014 by Jon*

**Physics**

For a standard production car, the highest road-tested acceleration ever reported occurred in 1993, when a Ford RS200 Evolution went from zero to 26.8 m/s (60 mi/h) in 2.557 s. Find the magnitude of the car's acceleration. Number Units the tolerance is +/-4%
*August 31, 2013 by RW*

**physics**

An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 15.0 s. What distance does the car travel?
*June 7, 2010 by sarah*

**physics**

The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 75 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 66 m/s in 4.5 s? Answer in units of kN
*November 22, 2014 by Kyle*

**Science**

The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 94 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 60 m/s in 8.2 s? Answer in units of kN
*November 29, 2014 by jocelyn*

**Physics**

The acceleration of gravity is 9.8 m/s^2 . What is the magnitude of the total force on a(n) 72 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 61 m/s in 7.8 s? Answer in units of kN
*November 30, 2014 by Jackie*

**physics**

The acceleration of gravity is 9.8 m/s 2 . What is the magnitude of the total force on a(n) 87 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 41 m/s in 5.3 s? Answer in units of kN
*November 30, 2014 by jo*

**maths**

(a) A car accelerates from 0 to 30.0 m s-1 in 6.0 seconds, travels at a constant 30.0 m s-1 for 21.0 seconds, and then brakes to a stop in 3.0 seconds. (i) Draw a velocity-time graph illustrating this motion (ii) Calculate the acceleration (assumed constant) in each section of...
*March 13, 2013 by Kate*

**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 Particle moving with uniform acceleration is found to travel 35m in the 8th second and 51m in the 9th second. its velocity in m/sec at the beginning of 11 seconds is a> 49 b> 45 c> 47 d> 51
*June 30, 2015 by ChuLbuLi*

**physics**

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with an acceleration of -5.60 m/s2 for 4.20 s, making skid marks 62.4 m long that end at the tree. With what speed does the truck then strike the tree?
*September 13, 2012 by starr*

**Physics **

**I JUST NEED THE STEPS ON HOW TO SOLVE THE PROBLEMS** An object experiences an acceleration of 6.8m/s^2. As a result, it accelerates from rest to 24m/s. How much distance did it travel during that acceleration? A car which is traveling at a velocity of 15m/s undergoes an ...
*November 8, 2012 by Elyssa*

**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*

**Physics**

A dragster starts from rest and accelerates down the track. Each tire has a radius of 0.360 m and rolls without slipping. At a distance of 360 m, the angular speed of the wheels is 292 rad/s. -------------------------------------------------------------------------------- (d) ...
*April 5, 2008 by Oliver*

**physics**

A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the z-direction. In the following ...
*May 14, 2011 by Sandhya*

**physics**

A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the z-direction. In the following ...
*May 15, 2011 by Sandhya*

**physics**

A uniform horizontal rod of mass 2.4 kg and length 0.86 m is free to pivot about one end as shown. The moment of inertia of the rod about an axis perpendicular to the rod and through the center of mass is given by I = (m*l^2)/12 If a 6.8 N force at an angle of 69 to the hor- ...
*February 12, 2012 by Latane*

**Advance Physics**

Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.48 m. Two of the spheres have a mass of 2.18 kg each. The third sphere (mass unknown) is released from rest. Considering only the gravitational forces that ...
*March 6, 2008 by A51AN*

**Physics**

A body travels from rest with acceleration 8m/s(squared)Find its velocity when it has covered a distance of 100 meter?
*August 24, 2014 by Ruth*

**physics**

A bus accelerates at 1.4 m/s2 from rest for 14 s. It then travels at constant speed for 23 s, after which it slows to a stop with an acceleration of magnitude 1.3 m/s2.
*September 6, 2014 by su_pona*

**rew**

A body travels from rest with an acceleration of eightmeterperseconds find it velocity when it has covered a distance of hundred meters
*November 1, 2015 by dare*

**Physics**

A range in a national park is driving at 47 km/h when a deer jumps onto the road 70m ahead of the vehicle . After a reaction of t seconds, the ranger applies the brakes to produce an acceleration of -2.00 m/s^2. What is the maximum reaction time allowed if the ranger is to ...
*February 14, 2011 by Shannon*

**Physical science**

A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg
*July 20, 2011 by latrice*

**Physics**

A car with a mass of 1380 kg is moving around a curve with a radius of 50 m at a constant speed of 25 m/s (about 56 MPH). (a) What is the centripetal acceleration of the car? 1 m/s2 (b) What is the magnitude of the force required to produce this centripetal acceleration? 2 N
*February 22, 2012 by Mina*

**physics **

car with a mass of 1280 kg is moving around a curve with a radius of 50 m at a constant speed of 10 m/s (about 22 MPH). (a) What is the centripetal acceleration of the car? (b) What is the magnitude of the force required to produce this centripetal acceleration
*March 31, 2014 by candi gonzalez*

**Physics**

A proton accelerates from rest in a uniform electric field of 620 N/C. At one later moment, its speed is 1.30 Mm/s (nonrelativistic because v is much less than the speed of light). (a) Find the acceleration of the proton. m/s2 (b) Over what time interval does the proton reach ...
*February 1, 2010 by Zoe*

**physics**

A car speeds up form 0m/s to 4m/s in 10 seconds. What is the acceleration? Look up the formula for acceleration, and then this is simple plug-n-chug. Use (v_final - v_initial)/time = average acceleration. Here v_final=4m/s, v_initial=0m/s and t=10.
*September 14, 2006 by Jennifer*

**physics**

A car accelerates at a constant rate from zero to 25.9 m/s in 7.6 seconds and then slows to 15.4 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s2 during the entire time?What was the acceleration during the first acceleration period?
*May 22, 2013 by giggles24*

**PHYSICS**

A bolt drops from the ceiling of a train car that is accelerating northward at a rate of 3.15 m/s2. What is the acceleration of the bolt relative to the train car? I don't understand how to do this problem at all... and why isn't it zero? It seems if the train is going forward...
*January 7, 2010 by Laila*

**Physics**

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with acceleration −5.15 m/s2 for 4.20 s, making skid marks 62.1 m long that end at the tree. With what speed does the truck then strike the tree?
*February 7, 2012 by tim*

**physics**

a car moving with constant acceleration covered a distance of 50 metres between two points in 5 seconds. if the velocity of the car at the second point is 16 metres per second. what is the acceleration of the car. what the velocity of the car at the first point
*July 20, 2011 by kofi*

**Physics**

A child slides down a hill on a toboggan with an acceleration of 1.5 m/s squared. If she starts at rest, how far has she traveled in 1.0 s, 2.0 s, and 3.0 s?
*October 11, 2010 by Yanelys*

**college physics**

A commuter backs her car out of her garage with a constant acceleration of 1.20 m/s2. (a) How long does it take her to reach a speed of 1.60 m/s? s (b) If she then brakes to a stop in 0.8 s, what is her (constant) deceleration?
*January 23, 2014 by Melissa*

**physics**

car accelerates from 0 to 60 mi/hr in a time of 5.8 secs. a. What is the acceleration of car in m/s squared? need help setting up the problem, thanks acceleration = (speed change)/(time interval) To get the answer in m/s^2, the speed change of 60 mi/hr must first be converted ...
*September 4, 2006 by mitch*

**AP Physics**

At an accident scene on a level road, investigators measure a car's skid mark to be 98 m long. It was a rainy day and the coefficient of friction was estimated to be 0.38. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.
*October 21, 2009 by Breana*

**physics**

At an accident scene on a level road, investigators measure a car's skid mark to be 78 m long.It was a rainy day and the coefficient of friction was estimated to be 0.38. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.
*November 20, 2009 by sherry*

**physics**

At an accident scene on a level road, investigators measure a car's skid mark to be 58 m long. It was a rainy day and the coefficient of friction was estimated to be 0.46. Use these data to determine the speed of the car when the driver slammed on (and locked) the brakes.
*October 18, 2010 by xz*

**physics**

An aircraft has a lift off speed of 130 km/h. What minimum uniform acceleration does this require if the aircraft is to be airborne after a takeoff run of 350 m? Answer in units of m/s2
*January 29, 2015 by Mark*

**Physics**

A car accelerates from rest at 2.3m/s^2 for 18 seconds, then decelerates to 15 m/s over 301 meters. A) How fast is the car moving at 18seconds? (Is it 2.3 m/s^2) B) How far does the car travel over the entire trip? (The m/s and m/s^2 is tripping me up) C) How long does it ...
*September 2, 2014 by Emily*

**Grade 11th Physics**

A bus starts from rest and accelerates uniformly for 20 seconds to a speed of 18 km/h. It then moves with a uniform velocity and it is finally brought to rest in 100 meteres with a constant retardation. If the total distance travelled is 0.5km. Find the accelration, ...
*July 9, 2010 by Akash*

**Physics**

A car is traveling along a straight road at a velocity of +31.0 m/s when its engine cuts out. For the next ten seconds, the car slows down further, and its average acceleration is a1. For the next five seconds, the car slows down further, and its average acceleration is a2. ...
*November 30, 2008 by Sara*

**physics**

Landing with a speed of 87.7 m/s, and traveling due south, a jet comes to rest in 939 m. Assuming the jet slows with constant acceleration, find the magnitude and direction of its acceleration. Magnitude of acceleration
*September 5, 2012 by martha*

**physics**

A flywheel with a diameter of 1 m is initially at rest. Its angular acceleration versus time is graphed in the figure. (a) What is the angular separation between the initial position of a fixed point on the rim of the flywheel and the point's position 8 s after the wheel ...
*March 20, 2011 by laila*

**physics**

A flywheel with a diameter of 1 m is initially at rest. Its angular acceleration versus time is graphed in the figure. (a) What is the angular separation between the initial position of a fixed point on the rim of the flywheel and the point's position 8 s after the wheel ...
*March 20, 2011 by Anonymous*

**physics**

A flywheel with a diameter of 1 m is initially at rest. Its angular acceleration versus time is graphed in the figure. (a) What is the angular separation between the initial position of a fixed point on the rim of the flywheel and the point's position 8 s after the wheel ...
*March 20, 2011 by HARD!!!!*

**physics **

A car has a maximum acceleration of 4.6m/s2 . What will the maximum acceleration be if the car is towing another car of the same mass?
*October 19, 2013 by Anonymous*

**physics **

A car has a maximum acceleration of 4.6m/s2 . What will the maximum acceleration be if the car is towing another car of the same mass?
*October 20, 2013 by Anonymous*

**Physics**

1)A car is moving with uniform accelaration. It moves along two point A and B and enters with velocity 50 m/s and 80 m/s respectively . Find the velocity when the car is moving in b/w the point A and B. Let t be the time measured from when the velocity is 50 m/s V = 50 + a t ...
*August 24, 2011 by Prathiksha *

**physics**

A flywheel with a diameter of 1 m is initially at rest. Its angular acceleration versus time is graphed in the figure. (a) What is the angular separation between the initial position of a fixed point on the rim of the flywheel and the point's position 8 s after the wheel ...
*March 21, 2011 by Help..Help !!!!*

**Physics**

The driver of a car on a horizontal road makes an emergency stop by applying the brakes so that all four wheels lock and skid along the road. The coefficient of kinetic friction between tires and road is 0.39. The separation between the front and rear axles is L = 4.1 m, and ...
*January 14, 2013 by zack*

**Physical Science**

What is the acceleration of a car that moves from rest to 15.0m/s in 10.0s ?
*January 31, 2013 by Deirdre*

**Physics**

A car travels at a speed of 25 m/s on a flat stretch of road. The driver must maitain pressure on the accelerator to keep the car moving at a constant speed. Are there any forces doing work on the car? Explain. What is the net force?
*February 3, 2011 by Kourt*

**Physics**

A car travels at a speed of 25 m/s on a flat stretch of road. The driver must maitain pressure on the accelerator to keep the car moving at a constant speed. Are there any forces doing work on the car? Explain. What is the net force?
*February 3, 2011 by Kourt*

**honors physics**

A car is traveling on an interstate highway: a) Can the car have a negative velocity and a positive acceleration at the same time? Explain. b) Can the car's velocity change signs while it is traveling with constant acceleration? Explain.
*September 10, 2012 by sarah*

**Calculus**

A car traveling 132 feet per second decelerates at a constant rate to 60 feet per second in three seconds. A. what is the negative acceleration? B. How long after the brakes are first applied will it take to come to a complete stop? C. How far does it travel before coming to a...
*November 5, 2012 by Matt*

**PHSC**

Hello, i need help. This is Work-Energy Theorum A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg
*July 20, 2011 by latrice*

**science!**

1. A plane accelerated from a speed of 2.0 m/s at the rate of 3.0 m/s2 over a distance of 530 m. What is its speed after traveling this distance? 2. A jet plane must achieve a velocity of 71 m/s for takeoff. From rest and with a 1,000 m long runway, what must the acceleration ...
*November 3, 2011 by ray*

**Physics**

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8m/s^2 . The acceleration period lasts for time 8.00s until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height y_max reached by ...
*June 1, 2010 by johnny*

**physics-Electric & magnetic fields**

A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the z-direction. In the following ...
*May 15, 2011 by Sandhya*

**science**

a car starting from rest acquired a speed of 25ms-¹ in 10sec,after which it maintain this speed for 10sec. find (a)the acceleration (b) distance traveled during acceleration (c)total distance traveled?
*July 4, 2015 by ronit*

**physics**

Calculate the acceleration of a ball that starts from rest, rolls down a ramp, and gains a speed of 24m/sm/s in 5.8 seconds.
*September 8, 2014 by Mia*

**Physics**

The driver of a Cadillac is traveling at a constant 60mi/hr. A police car is 20m behind the perpetrator when it too reaches 60 mi/hr and at that moment the officer floors the gas pedal. If the police car roars up to the rear of the Cadillac 2.0s later what was its acceleration...
*November 5, 2013 by Alexander*

**Physics**

A race car travels 110 m/s around a circular track of radius 197 m. The track is banked at 22 degrees from the horizontal with a friction constant of 0.14. What is the magnitude of the resultant force on the 2800 kg driver and his car of the car does not slip?
*December 4, 2012 by Tim*

**physics**

A car moving 17 m/s slows down at a uniform rate of 2.6 m/s2. How far does the car travel in 3.3 seconds?
*October 5, 2011 by Anonymous*

**Physics**

The instant a traffic light turns green a car that has been waiting at the light starts forward with a constant acceleration of 10 ft/s^2. At the same instant a truck traveling at a constant 30 ft/s overtakes and passes the car. 1. how far beyond the starting point will the ...
*October 9, 2007 by Ashley*

**Physics**

A 4.2 × 10^3 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 18.4◦ with the horizontal. An average frictional force of 4.1×10^3 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is 4.9 m/s. The ...
*December 12, 2012 by alice*

**Physics**

A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4.4 m down a q = 20° incline. The sphere has a mass M = 4.6 kg and a radius R = 0.28 m. What is the translational kinetic energy of the sphere when it reaches the bottom of the ...
*July 11, 2011 by Kyley*

**physics**

A truck starts from the rest and moves with a accelaration 1.5m/s^2 ,at the same time a car which is 150m behind the truck starts from the rest with an accelaration of 2m/sec^2. Find the time which the car will overtake the truck and the distance travel.
*September 20, 2015 by Afreed *

**math**

The distance an automobile can travel in h hours at an average rate of 50 miles an hour is found y the formula d=50h. Problem: A car was driven for 3 hours. The driver then stopped 3/4 of an hour for lunch. After lunch he drove for 2 and 1/2 hours, then stopped 1/2 hr for a ...
*June 17, 2010 by april*

**math**

The distance an automobile can travel in h hours at an average rate of 50 miles an hour is found y the formula d=50h. Problem: A car was driven for 3 hours. The driver then stopped 3/4 of an hour for lunch. After lunch he drove for 2 and 1/2 hours, then stopped 1/2 hr for a ...
*June 17, 2010 by april*

**physics**

A test car with a dummy driver of mass 60 kg was propelled towards a rigid wall. If the speed of the dummy driver just before impact was 40m/s and the time between the collision and the dummy coming to the rest was 0.10 s, calculate: (i) the average retardation of the dummy ...
*October 10, 2011 by Mah*

**Physics Classical Mechanics**

A uniform stick of mass m and length l is suspended horizontally with end B at the edge of a table as shown in the diagram, and the other end A is originally held by hand. The hand at A is suddenly released. At the instant immediately after the release: (a) What is the ...
*November 7, 2013 by A*

**PHYSICS(HELP)**

A uniform stick of mass m and length l is suspended horizontally with end B at the edge of a table as shown in the diagram, and the other end A is originally held by hand. The hand at A is suddenly released. At the instant immediately after the release: (a) What is the ...
*November 11, 2013 by Anonymous*

**physics**

a car is moving with a uniform speed of 15.0 m/s along a straight path. what is the difference covered by the car in 12.0 minutes?
*October 5, 2009 by jasmine*

**Physics**

A 46.5-cm diameter disk rotates with a constant angular acceleration of 2.4 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. (Hint: Remember the...
*November 30, 2009 by Ed*

**Physics**

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in
*October 21, 2010 by Emily*

**Physics**

A sports car accelerates from rest to 89 km/h in 6.1s . What is its average acceleration in
*October 21, 2010 by Emily*

**physics **

A sports car accelerates from rest to 100 km/h in 6.25. What is the acceleration in m/s^2?
*September 18, 2012 by EJ*

**physics**

A car slows down from 40 km/hr to rest in a distance of 72 m. What was its acceleration
*October 10, 2012 by terrell*

**Physics**

A car accelerates from rest to 90km/h in 10 seconds.What is its acceleration in m/s2?
*November 23, 2014 by Fofo*

**physics**

A car is heading towards a brick wall at 80 km/hr, he starts breaking 30 feet away. What acceleration is required to avoid a collision?
*August 9, 2011 by Chad*

**calculus**

If the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant acceleration should he maintain?
*August 6, 2015 by jean*

**calculus**

if the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant acceleration should he maintain?
*August 10, 2015 by jean*

**calculus**

If the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant acceleration should he maintain?
*September 4, 2015 by justine*

**physics**

several students are riding in bumper cars at an amusement park. the combined mass of a car A and its occupants is 250 kg. the combined mass of car B and its occupants is 200 kg. Car A is 15 m away from car B and moving to the right at 2 m/s when the driver decides to bump ...
*June 9, 2008 by shelly*

**College Physics**

A uniform rod of mass M = 437.0 g and length L = 37.1 cm stands vertically on a horizontal table. It is released from rest to fall. A)Which of the following forces are acting on the rod? B)Calculate the angular speed of the rod as it makes an angle θ = 45° with respect to...
*November 3, 2013 by Kimmy*

**Physics**

A car starts from rest and accelerates at a constant rate of 1.1 m/s2. If the radius of the car wheels is 29 cm, and the final angular speed of the car wheel is 48 rad/s, how far does the car travel
*October 18, 2010 by Sufian Syed*