A car starts from rest and travels for 4.1 s with a uniform acceleration of +1.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.80 s.

43,744 results
  1. 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

  2. mathematics

    A car starts at rest from one station A and is uniformly accelerated until it reaches a speed of 25 m/s. It then travels with this speed until the brakes are applied and brought the car to rest with a uniform retardation at the next station B. The

  3. physics

    A car starts from rest and travels for 5.0 s with a uniform acceleration of + 1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 3.0 s, calculate (a) how fast is the car going at the end

  4. physics

    A car starts from rest and travels for 6.0s with a uniform acceleration of 2.7m/s ^2. The driver then applies the brakes, causing a uniform acceleration of -2.0m/s^2. If the brakes are applied for 2.0s, determine each of the following. a.) how fast is the

  5. physics

    A test car starts out from rest on a horizontal circular track of 80m radius and increases it's speed at a uniform rate to reach 27.78 m/s in 10s. Find the magnitude of the total acceleration of the car 8s after the start. Ok so I know that the total

  6. Physics

    A car starts from rest accelerate uniformly until it reaches a velocity of 30m/s after 5s.it traves with uniform velocity for 15s and is being brought to rest in 10 with a uniform retardation.dEtermine the following (a) the acceleration of the car.(b) the

  7. physics

    A car starts from rest and travels for 5.0 s with a uniform acceleration of +2.5 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -3.0 m/s2. If the brakes are applied for 2.0 s, how fast is the car going at the end of

  8. physics

    A car starts from rest and travels for 6.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.0 m/s2. If the brakes are applied for 3.0 s, determine each of the following. (a) How fast is

  9. Physics

    A car starts from rest and travels for 5.0s with a uniform acceleration of +1.5 m/s^2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s^2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the

  10. Physics

    A car travels with uniform velocity of 30m/s for 5s and then comes to rest in the next 10s with uniform deceleration . Draw a velocity time graph of the motion, from the graph, find A) the deceleration B)the total distance covered C) acceleration D)

  11. physics

    a car starts from rest , attains a velocity of 36kmph with an acceleration of 0.2m/s^2 travels 9km with this uniform velocity and then comes to halt with a uniform acceleration of 0.1m/s^2 find the total time of travel of the car.

  12. 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)

  13. 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

  14. Physics

    A car starts from a certain point at a velocity of 100 kph. After 20 seconds, another car staring from rest, starts at the same point following car A at a uniform acceleration of 3 m/s². Assuming that the road is boundless will car B overtake car A? If

  15. Physics

    A car starts from rest and travels for 10 seconds with a constant acceleration of 3.0 m s^-2. The driver then applies the brakes causing a negative acceleration of -4.0 m s^-2. Assuming that the brakes are applied for 2.0 seconds, calculate, a) the

  16. physics

    A car starts from rest and travels for 6.3 s with a uniform acceleration of 2.3 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.9 m/s2. If the brakes are applied for 2.6 s, how fast is the car going at the end of the

  17. Physics

    A car starts from rest and travels for 7.0 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform acceleration of −2.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. How far has the

  18. physics

    suppose there are two cars black and red .the black car start first and move with uniform acceleration of 3m/s2,after 55seconds the red car starts from rest and move with uniform acceleration of 14m/s2, calculate the distance at which the red car will

  19. 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

  20. physics

    1. A stopwatch starts while race car travels at 7 m/s from the pit area and accelerates at a uniform rate to a speed of 30 m/s in 19 s moving on a circular track of radius 511 m. Assuming constant tangential acceleration, find (a) the tangential

  21. physics

    A 75 kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.6 m/s in 1.1 s. It travels with this constant speed for the next 7.2 s, undergoes a uniform negative acceleration for 2.4 s, and

  22. Physics

    A car starts from rest and travels for 5.4 s with a uniform acceleration of +1.6 m/s 2 . The driver then applies the brakes, causing a uniform acceleration of -2.2 m/s 2 . The breaks are applied for 1.80 s. (a) How fast is the car going at the end of the

  23. Physics

    A car starts from rest and travels for 5.10 s with a uniform acceleration of +1.40 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.01 m/s2. If the brakes are applied for 2.83 s, how fast is the car going at the end of the

  24. Mathematics

    A car initially at rest travels for 2 minutes with a uniform acceleration of 0.3 m/s^2,after which the speed is kept constant until the car is brought to rest with a uniform retardation of 0.6 m/s^2.If the total distance covered is 4500m,what is the time

  25. 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

  26. mechanical science

    10. A car is moving in a straight line starts from rest, accelerates uniformly at 12 m/s2 for the first 5s, then travels at uniform speed for the next 2s and finally decelerates uniformly at 4 m/s2 for the next 5s. Draw the acceleration-time graph,

  27. Physics

    A car starts from rest and moves with uniform acceleration of 0.3 meter per second. After 30 second, find the velocity of the car and distance covered?

  28. physics

    12. A particle starts moving from rest with uniform acceleration. it travels a distance x in first 2 sec and a distance y in the next 2 sec .Then options: 1.y=x 2.y=3x

  29. physics

    A particle starts moving from rest with uniform acceleration.It travels a distance x in first 2 sec and a distance y in the next 2 sec.Then Answer) y=3x

  30. Physics

    A 1400 kg car travels up a 20 degrees incline. The car exerts a constant force of 30,000 N across 100m. The car starts from rest at the bottom of the incline. The car takes 10 minutes to do this. How much work is done by the car?

  31. physics

    A car starts from rest and accelerates uniformaly at the rate of 0.98m/s in 1hr.what is its final velocity? A car starts from rest and reaches a velocity of 40m/s in 1minutes..(a)what is its acceleration?(b) If its acceleration remains constant,what will

  32. physics

    A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.70 s. (a) How fast is the car going at the end of the

  33. physics

    A car starts from rest and travels for 4.1 s with a uniform acceleration of +1.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.80 s.

  34. help

    A car starts from rest and travels for 8.0 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following.

  35. Physics

    If a car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes for 3.0 seconds, causing a uniform acceleration of - 2.1 m/s2.

  36. physics

    A car starts from rest and travels for t1 seconds with a uniform acceleration a1. The driver then applies the brakes, causing a uniform acceleration a2. If the brakes are applied for t2 seconds, determine the following. Answers are in terms of the

  37. physics

    a particle starts moving from rest with uniform acceleration . it travels a distance y in the next 2 sec

  38. physics

    Car a starts from rest and speeds up with constant accelleration until it reaches its max speed. Car b starts from rest, at the moment car a is at max speed, and speeds up with constant acceleration. How much time elapses between when car b starts moving,

  39. PHYSICS

    A CAR STARTS FROM REST AT A CHECKPOINT A AND COMES TO REST AT THE NEXT CHECKPOINT B,6KM AWAY IN 3 MINUTES.IT HAS FIRST A UNIFORM ACCELERATION FOR 40 SECONDS,THEN A CONSTANT SPEED AND IS BROUGHT TO REST WITH A UNIFORM RETARDATION AFTER 20 SECONDS.SKETCH A

  40. 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

  41. physics

    a car starts from rest and has a constant acceleration of 2.5 m/s^2. if it travels 25m how long will it take to complete the motion

  42. 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

  43. physics

    2 cars are in a race the first car is 200m ahead of the second car.the first car is moving with a uniform velocity of 30m/s while the second car starts from rest and accelerate to a rate of 4m/s how far and how long will it take the second car to meet the

  44. Physics

    1.A race car has a mass of 707 kg. It starts from rest and travels 42.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it? 2.A 4430 kg helicopter accelerates upward at 2.2 m/s2. What lift force is exerted

  45. 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

  46. 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

  47. 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

  48. physics

    A speeder passes a parked police car at a constant speed of 20.2 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.86 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s

  49. physics

    A speeder passes a parked police car at a constant speed of 20.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.65 m/s How much time passes before the speeder is overtaken by the police car? Answer in units of s

  50. Physics

    A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?

  51. Physics

    A speeder passes a parked police car at a constant speed of 24.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.45 m/s2. How much time passes before the speeder is overtaken by the police car?

  52. Physics

    A car start from rest, moves with uniform acceleration and attains a velocity of 72km/h in 1.5 s it moves with uniform speed for 20 s and is then brought to rest in 10 s under uniform retardation, then total distance travelled using velocity -time graph

  53. 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

  54. Physics

    A car starts from rest on a curve with a radius of 150m and tangential acceleration of 1.5m/s2 . Through what angle will the car have traveled when the magnitude of its total acceleration is 2.6m/s2 ?

  55. physics

    A car starts from rest and travels for 5.3 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.3 m/s2. The breaks are applied for 1.60 s. How fast is the car going at the end of the braking

  56. Physics

    A car starts from rest and travels for 5.9 s with a uniform acceleration of +1.3 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.60 s. (a) How fast is the car going at the end of the

  57. Physics

    A car starts from rest and travels for 5.2 s with a uniform acceleration of +1.6 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.1 m/s2. The breaks are applied for 1.50 s. (a) How far has the car gone from its start?

  58. physics

    A car starts from rest and travels for 7.0 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform acceleration of −2.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. (a) How fast is

  59. physics

    A car starts from rest and travels for 4.5 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.80 s.

  60. Physics

    A car starts from rest and undergoes uniform acceleration. During the first second it travels 6 m. a) what is the car's acceleration? b) How far will the car travel during the third second? For a) I used v= v_0 +at 6=0 a*1 so a= 6m/s^2 For b) I used d=vt

  61. physics

    A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.3 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -1.0 m/s2. If the brakes are applied for 2.0 s, how fast is the car going at the end of

  62. physics

    Pr 2. A car starts from rest and travels for 10.0 s with a uniform acceleration of +1.6 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -3.0 m/s2. If the brakes are applied for 1.0 s, how fast is the car going at the

  63. Physics

    A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 3.0 s, how fast is the car going at the end of the braking

  64. physics lon capa

    A car starts from rest and travels for 4.93 s with a uniform acceleration of +1.53 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.99 m/s2. If the brakes are applied for 2.83 s, how fast is the car going at the end of the

  65. Physics

    A car starts from rest and undergoes uniform acceleration. During the first second it travels 6 m. a) what is the car's acceleration? b) How far will the car travel during the third second? For a) I used v= v_0 +at 6=0 a*1 so a= 6m/s^2 For b) I used d=d_0

  66. physics

    A car starts from rest and travels for 7.8 s with a uniform acceleration of 3.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.1 m/s2. If the brakes are applied for 2.8 s, how fast is the car going at the end of the

  67. physics

    A car starts from rest and travels for 7.0 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform acceleration of −2.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. How far has the

  68. physics

    A car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s^2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s^2. If the brakes are applied for 3.0 seconds, how fast is the car going at the end

  69. Physics

    A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.1 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following. 12.6 m/s at

  70. physics

    A car starts from rest and travels for 5.0s with a uniform acceleration of 1.5m/s^2. The driver then applies the brakes, causing a uniform negative accelreeation of -2.0m/s^2. If the brakes are applied for 3.0s, how fast is the car going at the end of the

  71. Physics

    If a car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s2. The driver then applies the brakes for 3.0 seconds, causing a uniform acceleration of - 2.1 m/s2. a) Sketch the velocity vs. time graph for the car and paste

  72. physics

    a particle starts from rest and travels a distance x with uniform acceleration, then it travels a distance 2x with uniform speed ,finally it travels a distance of 3x with uniform retardation and comes to rest. If the whole motion of the particle is a

  73. 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?

  74. 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?

  75. 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

  76. 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

  77. 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

  78. physics

    A racing car reaches a speed of 48 m/s. It then begins a uniform negative acceleration, using its parachute and braking system, and comes to rest 6.0 s later. Find a) the acceleration during braking. b) the distance that the car travels during braking.

  79. 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

  80. Science

    A car that starts from rest and has uniform acceleration. The car must travel 60 meters before reaching a speed of 10 m/s. What total distance must the car travel in order to reach a speed of 30 m/s?

  81. Physics

    A car starts from rest and travels for 5.0 s with a steady acceleration of magnitude 1.5 m/s2. the driver then applies the brakes for 3.0 seconds causing a steady deceleration of magnitude 2.0 m/s2. How fast is the car going at the end of the breaking

  82. physics

    A speeder passes a parked police car at a constant speed of 20.1 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.65 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s.

  83. physics

    A speeder passes a parked police car at a constant speed of 39.2 m/s. At that instant, the police car starts from rest with a uniform 2 is overtaken by the police car? Answer in units of s acceleration of 2.77 m/s . How much time passes before the speeder

  84. Physics

    A speeder passes a parked police car at a constant speed of 31.8 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.74 m/s 2 . How much time passes before the speeder is overtaken by the police car?

  85. Physics for life science

    1. A car starts from rest and accelerates at a constant rate to 80km/h in 6s in positive direction. What is the acceleration? 2. After how long will the car speed be 120km/h if it keep accelerating at the same rate as in 1.? 3.After the car reached speed

  86. Physics

    two cars A & B at rest at same point initially if A starts with uniform velocity of 40m/s and B starts in the same direction with constant acceleration of 4m/s^2, then B will catch A after how much time

  87. Mechanical principles

    A car initially at rest experiences uniform acceleration of 5 m/s2 for 6 sec. It maintains constant velocity for 14 sec and is then brought to rest in 5 sec by a uniform retardation. a) Using the formula, find out how far the car has travelled. b) Find the

  88. Science

    A traffic light turns green, a car accelerate from rest and cover 10m in 4s . What is the acceleration of the car , assume uniform acceleration

  89. physical science

    a car accelerates from rest at stop street and covers 10m east in 45.calculate the acceleration of the car(assume uniform acceleration).

  90. Physics

    A car starts from rest with an acceleration of 1.87 m/s^2 at the same time that a second car moving with a velocity of 29.2 m/s passes it. How far does the first car move before it overtakes the second car?

  91. physic

    A car starts from rest on a curve with a radius of 150m and tangential acceleration of 1.0m/s2 . Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0m/s2 ?

  92. physics

    A car starts from rest and travels for 5.3 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.3 m/s2. The breaks are applied for 1.60 s. How fast is the car going at the end of the braking

  93. physics

    A car starts from rest and travels for 4.9 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.50 s. 1) How fast is the car going at the end of the

  94. physics

    A car starts from rest and travels for 5.2 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. The breaks are applied for 2.00 s. (a) How fast is the car going at the end of the

  95. Physics

    A car starts from rest and travels for 5.9 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.70 s.

  96. physics lon capa

    A car starts from rest and travels for 4.93 s with a uniform acceleration of +1.53 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.99 m/s2. If the brakes are applied for 2.83 s, how fast is the car going at the end of the

  97. constant acceleration

    A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes, causing a uniform acceleration of -3.0 m/s2. If the brakes are applied for 3.0 s, determine each of the following.

  98. 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

  99. 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

  100. Physics

    A car starts from rest and accelerates at a rate of 1 m/s^2 until it reaches a velocity of 7 m/s. It then travels at a constant velocity for the next 15 seconds. The driver then applies the brake, bringing the car to stop. The brakes provide an

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