1. Physics

    a racing car reaches a speed of 44m/s. at this instandt, it behins a uniform deceleration using a parachute and a braking system, and comes to a rest 4.8s later. Find the acceleration of the car

    asked by Anonymous on September 9, 2014
  2. physics

    A racing car reaches a speed of 40 m/s. At this instant, it begins a uniform negative acceleration, using a parachute and a braking system, and comes to rest 5.0 s later. (a) Determine the acceleration of the car. (b) How far does the car travel after

    asked by Tamera on September 7, 2012
  3. physics

    A racing car reaches a speed of 40 m/s. At this instant, it begins a uniform negative acceleration, using a parachute and a braking system, and comes to rest 5.0 s. (a)Determine the acceleration of the car. Work: 40m/s x 5s = 200m (0)^2=(40)^2 +2a(200)

    asked by Anonymous on September 7, 2007
  4. Physics

    A car traveling 56 km/h is 24 m from a barrier when the driver slams on the brakes. The car hits the barrier 2s later a) what is the car's constant deceleration before the impact? b)How fast is the car traveling at impact? I don't get the impact parts... I

    asked by Jason on September 12, 2006
  5. Physics

    A person who is properly constrained by an over-the-shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "'s". Assuming uniform deceleration of this value, calculate the distance over which the

    asked by Amie on September 24, 2012
  6. College Physics

    A person who is properly constrained by an over-the shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "g"s (1.0 g= 9.8m/s^2) Assumind uniform deceleration of this calue calculate the distance

    asked by Natalie on July 2, 2012
  7. Physics

    a driver of a car traveling at 17.3 m/s applies the brakes causing a uniform deceleration of 2.8m/s^2. How long does it take the car to accelerate to a final speed of 13.5 m/s?

    asked by Tytiana on September 20, 2015
  8. science

    A driver of a car traveling at 17.4 m/s applies the brakes, causing a uniform deceleration of 1.8 m/s2. How long does it take the car to accelerate to a final speed of 13.4 m/s? Answer in units of s

    asked by Anonymous on September 20, 2011
  9. Math

    A driver of a car traveling at 17.1 m/s applies the brakes, causing a uniform deceleration of 1.5 m/s2. How long does it take the car to accelerate to a final speed of 13.3 m/s? Answer in units of s

    asked by corele on September 14, 2011
  10. physics

    A driver of a car traveling at 14.5 m/s applies the brakes, causing a uniform deceleration of 1.7 m/s 2 . How long does it take the car to accelerate to a final speed of 9.50 m/s? Answer in units of s

    asked by Anonymous on October 22, 2012
  11. physics

    A driver of a car traveling at 17.4 m/s applies the brakes, causing a uniform deceleration of 1.8 m/s2 . How long does it take the car to accelerate to a final speed of 13.4 m/s? Answer in units of s.

    asked by Anonymous on December 1, 2017
  12. Physics

    A racing car of mass 850 kg accelerates from 20 km/h to 160 km/h over a distance of 300 metres. Frictional forces and wind resistance can be assumed to be 800N. Determine the following: (i)The average acceleration (ii)The time taken to accelerate from 20

    asked by Robert on June 10, 2018
  13. Physics

    A racing car of mass 850 kg accelerates from 20 km/h to 160 km/h over a distance of 300 metres. Frictional forces and wind resistance can be assumed to be 800N. Determine the following: (i)The average acceleration (ii)The time taken to accelerate from 20

    asked by J.Kruger on September 21, 2016
  14. physics

    A driver of a car traveling at 15.9 m/s applies the brakes, causing a uniform deceleration of 1.7 m/s2. How long does it take the car to accelerate to a final speed of 13.0 m/s? Answer in units of s. b) How far has the car moved during the braking period?

    asked by maria on March 20, 2011
  15. Physics

    A driver of a car traveling at 16.6 m/s applies the brakes, causing a uniform deceleration of 3.0 m/s^2. How long does it take the car to accelerate to a final speed of 12.1 m/s? Answer in units of s part 2- How far has the car moved during the braking

    asked by neko alice on September 29, 2012
  16. physics

    A driver of a car traveling at 16.7 m/s applies the brakes, causing a uniform deceleration of 2.5 m/s2. The first question is - How long does it take the car to accelerate to a final speed of 13.9 m/s? For this i got 1.12 and that's correct. The second

    asked by John on September 6, 2011
  17. physics

    A driver of a car traveling at 14.2 m/s applies the brakes, causing a uniform deceleration of 2.0 m/s 2 . How long does it take the car to accelerate to a final speed of 10.7 m/s? Answer in units of s. 002 (part 2 of 2) 10.0 points b) How far has the car

    asked by Anonymous on March 31, 2011
  18. Physics

    A car starts from rest and travels for 6.2 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform deceleration of 1.2 m/s2. If the brakes are applied for 2.5 s, how fast is the car going at the end of the braking

    asked by Caine on October 2, 2012
  19. physics

    A car starts from rest and travels for 5.9 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform deceleration of 1.3 m/s2. If the brakes are applied for 2.1 s, how fast is the car going at the end of the braking

    asked by Sonia on October 7, 2012
  20. physics

    A car starts from rest and travels for 7.5 s with a uniform acceleration of +1.9 m/s2 The driver then applies the brakes, causing a uniform deceleration of 1.1 m/s2 If the brakes are applied for 2.9 s, how fast is the car going at the end of the braking

    asked by lexi on September 26, 2013
  21. AP Physics

    To stop a car, you require first a certain reaction time to begin braking. Then the car slows under the constant braking deceleration. Suppose that the total distance moved by your car during these two phases is 56.7 m when its initial speed is 82.5 km/h,

    asked by Kristen on September 9, 2007
  22. physics

    Velocity and displacement with uniform acceleration: 1. A car with an initial speed of 23.7 km/h accelerates at a uniform rate of 0.92 m/s^2 for 3.6 s. Find the final speed and the displacement of the car during this time. The final speed is 36 km/h. is

    asked by anonymous on September 25, 2006
  23. physics

    a car starts from rest and travels for 4.2 s with a uniform deceleration of 1.8m/s^2. what is the final velocity of the car?

    asked by james on January 13, 2011
  24. physics

    A car starts from rest and travels for 4.1 s with a uniform deceleration of 2.1 m/s2. What is the final velocity of the car? Answer in units of m/s

    asked by shirley on September 20, 2012
  25. 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

    asked by izzy on September 29, 2011
  26. physics

    A car travels with uniform velocity of 30m for 5 secs and then comes to rest in the next 10sec with the aid of a diagram calculate the deceleration of the car

    asked by Beatrice Esther on October 25, 2015
  27. physics

    A car moving at 62 mi/h can be brought to rest in 4.8 s. Assuming that the deceleration is uniform, how far will the car travel between the time the brakes are applied and the time the car stops?

    asked by Adnane on September 18, 2011
  28. physics

    The driver of a car traveling at 30 m/s needs to quickly reduce the car’s speed to 20m/s to round a curve in the highway. If the car’s deceleration has a magnitude of 6.0 m/s2, how far does it travel while reducing its speed?

    asked by lee on October 9, 2010
  29. science

    A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brakes pedal. What must the car’s deceleration if the car is to stop just before it reaches the child?

    asked by abhishek on June 8, 2015
  30. AP Physics

    To test the performance of its tires, a car travels along a perfectly flat (no banking) circular track of radius 120 m. The car increases its speed at uniform rate of at ≡ d |v| dt = 2.99 m/s 2 until the tires start to skid. If the tires start to skid

    asked by Noah on October 24, 2012
  31. Physics

    To stop a car, you require first a certain reaction time to begin braking. Then the car slows under the constant braking deceleration. Suppose that the total distance moved by your car during these two phases is 56.7 m when its initial speed is 80.0 km/h,

    asked by Bob on October 3, 2010
  32. Physics

    a racing car has a uniform acceleration of 4 m/s2 What distance will it cover in 10secs after its start

    asked by Anonymous on August 10, 2013
  33. physics

    Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance Da beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed Va. Car B starts at the

    asked by mjLa on June 30, 2011
  34. physics

    a driver of a car traveling at 15.6 m/s applies the brakes causing a uniform deceleration of 2.1 m/s squared. how long does it take the car to accelerate to a final speeed of 10.9 m/s. answer in units of seconds

    asked by jane on September 18, 2011
  35. 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?

    asked by matt on February 14, 2012
  36. 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?

    asked by john on November 29, 2010
  37. 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?

    asked by rachel on October 26, 2010
  38. physics

    a racing car has a uniform acceleration of 4ms-2. what distances will it cover in 10s after start?

    asked by tinku on July 6, 2012
  39. physics

    Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond starting line at t=0. The starting line is at x=o. Car A travels at constant speed vA. Car B starts at starting line but has

    asked by help on September 27, 2009
  40. physics

    Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond starting line at t=0. The starting line is at x=o. Car A travels at constant speed vA. Car B starts at starting line but has

    asked by help on September 27, 2009
  41. dynamics

    cars A and B are d=60m apart and traveling respectively with constant speeds v1=32km/h and v2=24km/h on an ice covered road.knowing that 45s after driver A apples his breaks to avoid overtaking car Bthe two cars collide,determine a)the uniform deceleration

    asked by rajesh on October 8, 2012
  42. Physics

    A speed trap is set up with two pressure-activated strips placed across a highway, 110 m apart. A car is speeding along at 33 m/s, while the speed limit is 21 m/s. At the instant the car activates the first strip, the driver begins slowing down. What

    asked by Sara on December 19, 2008
  43. math

    A scale model racing car is 11 inches long, 3 inches wide, and 2 inches tall. The actual racing car is show at the right. How wide is the actual racing car?

    asked by Kim on February 28, 2012
  44. physics

    A bus moves from rest with a uniform acceleration of 2m/s(square) for the first 10s. It then accelerate at a uniform rate of 1m/s(square) for another 15s, it continues at constant speed for 70s and finally comes to rest in 20s by uniform deceleration.Draw

    asked by Uloma on August 7, 2018
  45. physics

    A car of mass 1200kg travelling at 72km/h was brought to rest in 4 seconds. 1. what is this period in m/s? 2. find; a. the deceleration of the car. b. the force that caused the car to come to rest. c.the distance it travelled during its deceleration.

    asked by chibwe on April 19, 2017
  46. physics

    A car is travelling at 20 m/s along a road A child runs out into the road 50 m ahead and the driver steps on the break pedal What must be the cars deceleration be if the car stops just before it reaches the chid

    asked by Kavya on June 28, 2017
  47. psychics

    1. (a) A frictionless car of mass 1.5 tonnes travels uphill along a slope at 20º to the horizontal for 0.5 km at 20 km per hour. (i) How much work does the engine do on the car? (ii) What power does the engine supply? (b) The car the rolls back down the

    asked by Serkhref on May 2, 2013
  48. Physics

    A car decelerates uniformly and comes to a stop after 9 seconds. The car's average velocity during deceleration was 45 km/h. What was the cars deceleration while slowing down?

    asked by Joe on October 10, 2015
  49. physics

    A car comes to rest uniform deceleration at the rate of 5.8 m/s2 for 14.3 seconds. What is distance did it travel during this time??

    asked by maria on September 13, 2013
  50. physics

    A car starts from rest and travels for 5.6 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 I know the answer for this is -7.28 but I cant figure out how to the second part. How far does the car

    asked by neko alice on September 29, 2012
  51. DYNAMICS

    A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is the displacement of the car during the 4-s time interval? How much time is needed to stop the car?

    asked by HELP on February 17, 2013
  52. Physics

    A bank robber in a getaway car approaches an intersection at a speed of 45 mph. Just as he passes the intersection, he realizes that he needed to turn. So he steps on the brakes, comes to a complete stop, and then accelerates driving straight backward. He

    asked by Rave on September 27, 2012
  53. physics

    Cars A and B are racing each other along the same straight road in the following manner: Car A has a head start and is a distance DA beyond the starting line at t=0. The starting line is at x=0. Car A travels at a constant speed vA. Car B starts at the

    asked by Anonymous on September 9, 2014
  54. Physics

    Could someone please check another one of my answer for me? Thank you! A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of 2.00 m/s? (b) If she then brakes to a stop in 0.800 s,

    asked by Miaow on September 2, 2012
  55. Differential Equations

    A car is traveling at 70 mph skids 240 ft after it's breaks are suddenly applied. Assuming that the cars breaking system provides a constant deceleration, find that deceleration. How long did it take the car to stop?

    asked by Jenna on June 19, 2011
  56. Physics

    A police car is at rest beside a road, looking for speeders. A car passes going at a constant speed of 30.0 m/s. The police car starts up 4 seconds later and accelerates at 2 m/s sq. until it reaches a speed of 40m. If the police car maintains this speed

    asked by Emily on December 18, 2012
  57. Physics

    The drag coefficient = 0.354 The mass of car = 1200 kg rolling resistance = 180 N Air density = 1.181 kg m^-3 Frontal area = 1.88 m^2 What is the deceleration at a speed of 82 km h^-1 when the car is taken up to high speed and then allowed to coast down on

    asked by Alex on August 18, 2012
  58. physics

    There is a car turning on an unbanked road. The mass of the car is 2000kg moving at constant speed 36mph. The radius of the unbanked curve is 100m. the driver sees an obstacle at 20m ahead along the curve. he presses the brakes and expects to have a

    asked by daniel on October 23, 2015
  59. Science

    2 racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively. Their speeds are such that each makes a complete circle in same time t. The ratio of Angular speed of the first car to the second car is?

    asked by ABC on November 3, 2015
  60. Physic

    A racing car starting from a standstill can reach a speed of 320 km/h in 6.50 s by exerting an average horizontal force of 1.52 x 10^4N [s] on the pavement. If friction equals 5.2 x 10^3 N, what is the mass of the car?

    asked by Lauren on October 24, 2014
  61. Physics

    A car leaves skid marks 72m in length. The deceleration is 7.2m/s^2. What is the speed of the car before braking?

    asked by David on January 23, 2015
  62. Physics

    I am trying to calculate the distance and speed a van was travelling behind a car when an accident occured in which the van hits the car. I know that the car brakes and skids 24metres, the van behind brakes and skids 6metres. The car was stopped prior to

    asked by Nat on May 15, 2008
  63. Physics

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  64. Physics

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  65. math

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 28, 2014
  66. Physics please help!!

    A car starts from rest and travels for 5 seconds with a uniform acceleration of 2m/sec^2. The driver then applies the breaks causing a deceleration of 1.5m/sec^2. If the breaks are applied for 4 second, how fast is the car going after the breaking period?

    asked by Megan on January 31, 2011
  67. intermidiate algebra

    pick a car find its top speed. Asusuming that your chosen car reaches its top speed at the top of a ramp, leaving the ramp vertically 20 feet about the ground? 2. When would the car be traveling the fastest? 3.)When would the car be traveling the slowest?

    asked by linda on November 14, 2010
  68. Intergated chemistry/physics

    A parachute on a dragster racing-car opens and changes the speed of a car from 85 meters/second to 45 meters/second. Of this car is decelerating (slowing down) at a rate of -8.9 meters/ second, how many seconds will this take?

    asked by Laura on October 3, 2012
  69. Physics

    a car leaves skid marks 84 m long on the highway. Assuming a deceleration of 7.50 m/s2, estimate the speed of the car just before braking.

    asked by Shay on September 19, 2011
  70. physics

    The engine of a racing car of mass m delivers a constant power P at full throttle. Assuming that the friction drag force on the car is proportional to the velocity: Fdrag = -cv where c is a positive constant.What maximum speed can be attained by the car on

    asked by Anonymous on February 19, 2015
  71. physics

    The engine of a racing car of mass m delivers a constant power P at full throttle. Assuming that the friction drag force on the car is proportional to the velocity: Fdrag = -cv where c is a positive constant.What maximum speed can be attained by the car on

    asked by Anonymous on February 19, 2015
  72. science

    A car covers 30 km at a uniform speed of 60km/h & next 30km at a uniform speed of 10km/h find the total time taken

    asked by ft jcch on June 12, 2016
  73. DYNAMICS

    A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is the displacement of the car during the 4-s time interval? How much time is needed to stop the car? How do i get the

    asked by HELP on February 17, 2013
  74. transportation engineering

    on the same Lane of a road a car A is following car B at a center distance of 25 m. both cars are traveling at a speed of 100 kmph when car A attempts to overtake car B at a uniform acceleration of 0.8 m/s^2.after traveling for 5 sec at that acceleration

    asked by rajat on April 9, 2016
  75. 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

    asked by Lance on March 5, 2008
  76. physics

    14. A racing car accelerates uniformly through three gears, changes with the following average speed: 20 for 2.0 s 40 for 2.0 s 60 for 6.0 s What is the overall average speed of the car? A. 12 B. 13.3 C. 40 D. 48 E. 37

    asked by Anonymous on October 19, 2012
  77. Physics

    14. A racing car accelerates uniformly through three gears, changes with the following average speed: 20 for 2.0 s 40 for 2.0 s 60 for 6.0 s What is the overall average speed of the car?

    asked by Mariam on September 14, 2012
  78. Physics

    14. A racing car accelerates uniformly through three gears, changes with the following average speed: 20 for 2.0 s 40 for 2.0 s 60 for 6.0 s What is the overall average speed of the car?

    asked by Mariam on September 14, 2012
  79. Physics

    In coming to a stop, a car leaves skid marks 97.0 m long on the highway. Assuming a deceleration of 6.60 m/s2, estimate the speed of the car just before braking. (in m/s)

    asked by Madison on January 19, 2015
  80. Physics

    In coming to a stop, a car leaves skid marks 88 m long on the highway. Assuming a deceleration of 7.50 m/s2, estimate the speed of the car just before braking.

    asked by Carlee on August 30, 2012
  81. Physics 1

    In coming to a stop, a car leaves skid marks 62 m long on the highway.Assuming a deceleration of 4.30 m/s2 , estimate the speed of the car just before braking.

    asked by Anonymous on January 23, 2017
  82. physics

    A car leaves skid marks 90 long on the highway in coming to a stop. Assuming a deceleration of 3.5m/s^2, estimate the speed of the car just before braking.

    asked by izzy on July 5, 2011
  83. physics

    In coming to a stop, a car leaves skid marks 77 long on the highway Assuming a deceleration of 7.20 , estimate the speed of the car just before braking

    asked by Anonymous on September 11, 2012
  84. physics

    In coming to a stop, a car leaves skid marks 77 long on the highway Assuming a deceleration of 7.20 , estimate the speed of the car just before braking

    asked by Anonymous on September 11, 2012
  85. physics

    A 605-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? (b) What force must the track exert on the tires to produce this acceleration?

    asked by Noah on December 7, 2012
  86. Physics

    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 a constant speed. (a) What is the acceleration of the car? (b) What force must the track exert on the tires to produce this acceleration?

    asked by Brendan on October 4, 2016
  87. Math

    A 605-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? (b) What force must the track exert on the tires to produce this acceleration?

    asked by Noah on December 3, 2012
  88. Physics

    A 640-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?(b) What force must the track exert on the tires to produce this acceleration?

    asked by Jamal on October 25, 2012
  89. physics

    A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 45.0 m. The car moves at constant speed. (a) What is the acceleration of the car? m/s2 (b) What force must the track exert on the tires to produce this acceleration?

    asked by bob on January 6, 2012
  90. physics

    A 590 kg racing car completes one lap in 14.3 seconds around a circular track with a radios of 45.0 meters. The car moves at constant speed. (A) what is the acceleration of the car? (B) what force must the track exert on the tires to produse this

    asked by Natalie on December 11, 2014
  91. Psychics

    A drag racing car starting from a standstill can reach a speed of 320 km/h in 6.50s by exerting an average horizontal force of 1.52x10^4 N on the pavement. If friction equals 5.2x10^3 N, what is the mass of the car?

    asked by Jerry on October 29, 2018
  92. physics

    A car moving at a speed of approximately 176.5 km/h. 923 m in front of the car, there is a truck moving at a speed of 84.2 km/h in the same direction. 1.What is the name of the physical process that would occur if both vehicles kept moving at constant

    asked by Sandhya on December 2, 2008
  93. Physics

    A car with good tires on a dry road can decelerate at about 5.0m/s/s when braking. If the car is traveling at 55miles/hour, how much time does it take the car to stop? 55 mph = 80.7 ft/s = 24.6 m/s Divide the initial speed by the deceleration rate to get

    asked by Savannah on September 18, 2006
  94. PHYSICS

    racing car accelerates uniformly. changes with following average speeds 20m/s for 2sec ;40m/sec for 2s and 60m/s for 6sec . what is overall average speed of car

    asked by AYESHA on June 14, 2014
  95. physics

    A luge and its rider, with a total mass of 84 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 41 m/s. Assume that they stop with a constant deceleration of 3.5 m/s2. (a) What magnitude F is required for the

    asked by Sam on October 28, 2010
  96. 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

    asked by siti on January 13, 2011
  97. calc

    a) A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 40 ft/s^2. What is the distance covered before the car comes to a stop? b) A car braked with a constant deceleration of 40 ft/s^2 and produced skid

    asked by Jill on November 22, 2009
  98. physics

    a racing car completes a lap of a 300 meter circular track in 20 seconds. the car's average speed for the lap is most nearly a)0.0m/s b)10m/s c)15m/s d)20m/s e)31.4m/s

    asked by sam on September 2, 2013
  99. Physics

    Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from

    asked by Wes on September 27, 2014
  100. Dynamics

    A car is traveling at a speed of 80 km/h when the brakes are suddenly applied, causing a constant deceleration of 3.24 m/s2. Determine the time required to stop the car and the distance traveled before stopping

    asked by simon on November 16, 2016