A car acclerates at 4m/s/s for 5s and then drove at its final velocity for 8s. It then decelerates at 2m/s/s for 2s. Draw a velocity-time graph and use the graph to find the distance covered during the 15s described.

37,802 results
  1. physics

    Two cars both cover a straight distance, d = 268 m, in time t = 29 s. Car A moves at a constant velocity (vA). Car B moves at a constant acceleration (aB), starting from an initial velocity of v0B = 12 m/s. Assume both cars are moving in the positive

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  7. Physics

    A roller coaster car of mass 1000kg is riding along a track from point A to point C. (point A is 75m high, B is 50m high and C is 100m high, so that there are a total of three hills.) the final velocity at point C is 10m/s a) Assume no friction what is the

  8. Physics

    A car starts from rest and accelerates at 5 m/s^2 for 4 s, then maintains that velocity for 3 seconds, then decelerates at the rate of 2m/s^2 for 3 seconds. a) what is the final speed of the car? b) how far does the car travel? a) v = v_0 +at = 0+5(4)=

  9. physics

    A compact car, mass 755 kg, is moving at 1.00 ✕ 102 km/h toward the east. The driver of the compact car suddenly applies the brakes hard for 1.8 s. As a result, an average force of 5.8 ✕ 103 N is exerted on the car to slow it down. What is the final

  10. Science

    A car is travelling in the velocity of 20m/s.After 30 sec it covers a distance of 1200m.calculate the accelaration of the car and final velocity of the car.

  11. science

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  12. Physics

    A bumper car with mass m1 = 109 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 83 kg is moving to the left with a velocity of v2 = -3.5 m/s. The two cars have an elastic collision. Assume the surface is

  13. Physics

    A train car with mass m1 = 591 kg is moving to the right with a speed of v1 = 7.3 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 4.7 m/s. a. What is the initial momentum of

  14. Physics

    A car is at velocity of 20 km/h. If the car traveled 120 km in 3 hours at constant acceleration, what is its final velocity?

  15. Physics

    You are traveling in a convertible with the top down. The car is moving at a constant velocity 27.7 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 12.8 m/s. How far has the car moved when you get a chance to catch the

  16. Physics help

    A car with a mass of 1800 kg is initially travelling with a velocity of 22 m/s [N] when it collides with a truck with a mass of 3200 kg traveling with a velocity of 14 m/s [E]. If the two vehicles become attached during the collision, determine their final

  17. physic

    A mechanic pushes a 2,500 kg car from rest to a speed v, with 5000J of work. During this process the car moves 25m. Neglecting friction, calculate: a) the final velocity of car b) The horizontal force exerted on the car

  18. physics

    the momentum of 900kg car initially moving north at 10m/s increases by 10,800. calculate the final velocity of the car.

  19. Phisic mechanic

    A trailer mechanic pushes a 2500 kg car, home to a speed v, performing a job during the 5000 J. In this process, the car moves 25 m. Neglecting friction between the car and roadway: (A) What is the final velocity v of the car? (B) What horizontal force

  20. math

    what constant acceleration, in SI units, must a car have to go from zero to 60mph in 10s? How far has the car traveled when it reaches 60mph? First, recognize or calculate that the final velocity is 60 mph = 88.00 ft/s = 26.822 m/s Then divided the metric

  21. physics

    If the initial velocity of the car in the previous problem (the car accelerates at 5.00 km/hr/s for 3.50 sec) is 22.6 km/hr, what is the final velocity of the car?

  22. Physics..please help

    A car is traveling at 20m/s when it pulls out to pass a truck that is traveling at only 18m/s. The car accelerates at 2.0m/s^2 for 4.0 s and then maintains this new velocity. First it asked me to calculate the distance during acceleration so I used d =

  23. physics

    A car entering the freeway accelerates from 10.2 m/s with a constant acceleration of 4.4 m/s2. What is the car’s final velocity when it merges onto the highway and reaches its cruising speed 4.2 seconds later? A 28.7 m/s B 11.2 m/s C 18.5 m/s D 8.28 m/s

  24. physics ( please help me)

    a railroad handcar is moving along striaght, fricionless tracks. In each of the following cases the car initially has a total mass (car and contents of magniude 4.00 m/s^1. Find the final velocity of the car in each of the three cases. A) a 40.0 kg mass is

  25. physics

    A car is moving with constant velocity. Which of the following is true? a) the car travels the same distance in each second b) car's velocity increases by the same amount in each second c)car's velocity decreases by the same amount in each second d)car's

  26. physics

    a car has a velocity of 10m/s it now accelerate at1m/s square for 1/4m find the distance travelled In this time and the final speed of the car

  27. intergrated science

    A car traveling at a velocity of 24m/s is accelerated uniformly at a rate of 2m/s^2 for 8 seconds. What is the final velocity?

  28. Physics ~ CONSERVATION OF MOMENTUM ~

    1.) A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward? 2.) A 3.0 kg ball at 3 m/s and strikes a 1.5 kg ball moving at -2

  29. Physics

    At car (1140-kg)traveling at 24.8 m/s and truck (12600-kg) have a head-on collision and then stick together. What is their final common velocity (m/s)? (assume the car is going in the positive direction) What is the cars' change in momentum in the above

  30. physics

    A bumper car with mass m1 = 100 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 86 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Assume the surface is

  31. physics

    At car (1140-kg)traveling at 76.04 m/s and truck (12600-kg)traveling 6.88 m/s have a head-on collision and then stick together. What is their final common velocity (m/s)? (assume the car is going in the positive direction) What is the cars' change in

  32. math

    If the initial velocity of the car in the previous problem (the car accelerates at 5.00 km/hr/s for 3.50 sec) is 22.6 km/hr, what is the final velocity of the car? 17.6 km/hr 27.6 km/hr 40.1 km/hr 18.9 km/hr

  33. sciology college course

    A science teacher tells her class that their final project requires the student to measure a specific variable and determine the velocity of a car with no more 2.5% error. Jennifer and johnny work hard and decide the velocity of the car is 34.87 m/s. The

  34. Physics

    QUESTION: A car goes around a circular track with a radius of 1000 m at a constant speed of 10 m/s. (a) How long does it take the car to go once completely around the track? (b) What is the average velocity of the car over this time interval? WORK: What I

  35. Physics

    A car traveling at a velocity of 24 m/s is accelerated uniformly at a rate of 2 m/s¶ for 8 seconds. What is the final velocity of the car?

  36. physics

    A 1000 kg car in neutral gear slow from 15 m/s to a stop in 5.0 s due to the force of friction. A. What was the acceleration of the car. B. What was the car’s initial momentum? C. What was its final momentum? D. What was the change in momentum of the

  37. Algebra

    A car started out from Memphis toward Little Rock at the rate of 60km/h. A second car left from the same point 2 hours later and drove along the same route at 75km/h. How long did take the second car to overtake the first car.

  38. College Physics

    A car’s initial velocity is 50.0 km/h in the direction 60.0° north of east, and its final velocity is 70.0 km/h in the direction 40.0° south of east. If the time period for this journey is 30.0 minutes, what is the magnitude of the car’s average

  39. Physics

    A car has a velocity of 10m/s it now accelerate at 1m/s square, for 1/4.find the final speed of the car.

  40. Physics

    A 2.0 kg lab car moving to the right with an initial velocity of 3.0 m/s collides with a 1.0 kg lab car moving to the left with a velocity of 8.0 m/s in a inelastic collision. What us the final velocity? Take left to be negative.

  41. physics

    A car exciting the highway moving at 27 m/s slows down at the rate of 3.5 m/s^2 to a final velocity of 18 m/s. Calculate the distance the car travels while braking?

  42. Physics ~ CONSERVATION OF MOMENTUM~

    1.) A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed afterward? 2.) A 3.0 kg ball at 3 m/s and strikes a 1.5 kg ball moving at -2

  43. English

    1. He drove his car carefully. 2. He drove his car in a careful manner/way. 3. He greeted the person politely. 4. He greeted the person in a polite manner/way. 5. He said no angrily. 6. He said no in an angry manner/way. ------------------ Is each pair

  44. 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

  45. Physics

    A car traveling with an initial velocity of 68 km/h accelerates uniformly at a rate of 1.35 m/s^2 for 4.7s. Find the final speed and displacement of the car during the specified time interval.

  46. Physics

    A car starts from rest and accelerates at 5 m/s^2 for 4 s, then maintains that velocity for 3 seconds, then decelerates at the rate of 2m/s^2 for 3 seconds. a) what is the final speed of the car? b) how far does the car travel? a) v = v_0 +at =0+2(3)= 6m/s

  47. math

    if a car has an initial velocity of 103m/s and acclerates at 1m/s for 3 seconds what will its final velocity be

  48. Physics

    A car acclerates at 4m/s/s for 5s and then drove at its final velocity for 8s. It then decelerates at 2m/s/s for 2s. Draw a velocity-time graph and use the graph to find the distance covered during the 15s described. Would I plot (5,8) and then draw a line

  49. Physics

    A car drove a total 5km. Accelerated 10seconds then had a constant velocity. Entire trip was 45 seconds. Was was the initial acceleration and final velocity?

  50. Physics

    A car drove a total 5km. Accelerated 10seconds then had a constant velocity. Entire trip was 45 seconds. Was was the initial acceleration and final velocity?

  51. physics

    In order to make a jump a toy car has to reach a certain final velocity. If the car is traveling at 16.6 m/s [F] and can cover the distance of 3.93 m [F], in 0.27 s. What was the final velocity of the car?

  52. physics

    A car acclerates uniformly from to a rest to a speed 23.7 km/h in 6.5 s.Find the car travels during the time.(Displacement with constant uniform accleration).My only problem is the conversion

  53. physics

    A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car

  54. physics

    A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car

  55. physics

    A car travels a distance of 100m per second with a constant acceleration and average velocity of 20m per second .The final velocity acquired by the car is 25m per second .Find The initial velocity and acceleration of car

  56. physics 4a

    A bumper car with mass m1 = 106 kg is moving to the right with a velocity of v1 = 4.4 m/s. A second bumper car with mass m2 = 96 kg is moving to the left with a velocity of v2 = -3 m/s. The two cars have an elastic collision. Assume the surface is

  57. physics

    A car tavels a distance of 100 m with a constant acceleration and average velocity of 20 m per second .The final velocity acquire D by the car is 25m per second .find the initial velocity and acceleration of car

  58. math

    amy drove her car the same distance in six hours that juan drove his car in 5 1/2 hours. find the speed (rate) of amy's car, given that she drove 5 mi/h slower than juan.

  59. 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

  60. Biology

    A science teacher tells her class that their final project requires students to measure a specific variable and determine the velocity of a car with no more than 2.7% error. Jennifer and Johnny work hard and decide the velocity of the car is 35.87 m/s. The

  61. physics

    A car moving with a velocity of 24meters per seconds,acceleration for 15seconds at a rate of 1meter per second square,calculate the final velocity of the car

  62. Physics

    Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 515 m in 229 s. Assume that they are moving in the +x

  63. Physics

    A car with a velocity of 28.2 m/s is accelerated uniformly at the rate of 2.2 m/s2 for 9 seconds. What is the car's final velocity?

  64. Science

    Assume you are speeding down the freeway at 75 mph. The car weighs 1500 kg and the effective force of the brakes is 14400 N. The car in front of you suddenly slows down, it takes 3 seconds for the car to do so. Your initial velocity was 33.53 and your

  65. Science, Physics

    Assume you are speeding down the freeway at 75 mph. The car weighs 1500 kg and the effective force of the brakes is 14400 N. The car in front of you suddenly slows down, it takes 3 seconds for the car to do so. Your initial velocity was 33.53 and your

  66. Science

    car 1 is moving at 10 m/s and hits car 2 if they have a perfectly elastic collision and the masses are 1700 kg and 3000kg respectively what is the final velocity of the second car ?

  67. math

    Shawn started his car (automatic shift),drove 8km and spent 2 minutes at a stoplight.Rachel (driving manual shift) started her car and drove 9km with no stops.Who used more gas?

  68. Math please help!

    Mrs. walter drove 350 miles on 25 gallons of gas.mr walters drove 480 miles on 32 gallons of gasfind the mileag per gallon for each car which car is getting the better mileage pergallon? Show your answer.

  69. Physics(Please respond)

    1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

  70. Physics(Please help)

    1)A 1180-kg van, stopped at a traffic light, is hit directly in the rear by a 753-kg car traveling with a velocity of +1.81 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

  71. physics

    A car with a mass of 3200 kg and a velocity of 50 m/s brakes to a final velocity of 25m/s in a distance of 85 m. what is the force the brakes apply to stop the car.

  72. Physical Science

    a car has an acceleration of 4 m/s squared. What will the increase in it's velocity be after 2 seconds? If it started with a velocity of 30 m/s, what is its final velocity?

  73. rajput

    a man drove his car northward, then turned left and drove 10 km and again turned left and drove 20km. he found himself 10 km west of his starting point . how far did he drive northward initially

  74. maths

    a man drove his car northward, then turned left and drove 10 km and again turned left and drove 20km. he found himself 10 km west of his starting point . how far did he drive northward initially

  75. physics

    A 1093 kg van, stopped at a traffic light, is hit directly in the rear by a 715 kg car traveling with a velocity of +2.38 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

  76. physics

    A 1075 kg van, stopped at a traffic light, is hit directly in the rear by a 705 kg car traveling with a velocity of +2.06 m/s. Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is

  77. math

    A man drove his car northward,then turned left and drove 10 km and again turned left and drove 20 km.He found himself 10 km west of his starting point.How far did he drive northward initially.

  78. Physics - Important

    a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but

  79. Physics - please, I really need help

    a car attempts to stop and slides 25.5m while accelerating at -4m/s^2. The car's initial velocity was 20m/s. Find the time the slide took. Note that the final velocity is not known and that you need a quadratic solution. I know the quadratic formula, but

  80. Physical Science

    Determine how long it will take given the scenario below (in time and in distance) to react to the car in front of you. Assume that the car in front of you takes 3 seconds to change speeds. Reaction time 1.6 seconds Speed: 75 mph Initial velocity: 33.53

  81. Momentum

    A car and an attached trailer have a combined mass of 3,000 kg. The car and trailer are moving on the highway at a velocity of 25 m/s. After going over a small bump in the road, the trailer detaches from the car. If the car’s speed after separation is 27

  82. College Physics

    suppose the two cars are headed in the same direction. A 1200kg car travels at 65 mph and a 1000kg car travels at 75mph. The faster car rear-ends the slower car and their bumpers catch so that they continue moving after the collision at the same speed. Use

  83. Physics

    A 0.30 kg toy car with an initial velocity of 4 m/s collides with a 0.5 kg car with an initial velocity of 4 m/s in the opposite direction. If the cars stick together during the collision, what is the final velocity of the two cars? Assume negligible

  84. Terzulum

    a car A is 200m behind car B both are traveling in the same direction, initial velocity 25m/s starting their motion at the same time they accelerate at 30, car A overtook car B after 20sec this time car B was travelin at the velocity 27.gm/s, what was the

  85. Physics

    A car travels 12 km West, 18 km South. What is the total car displacement? The car takes 10 minutes to travel from each initial position to final position. What is the average speed and velocity?

  86. 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?

  87. 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

  88. 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

  89. Physics

    A car mass 800kg starts from rest and accelerates at 1.2m/s^2 .determine the final velocity attained by the car

  90. math

    A man drove his car northward,then turned left and drove 10km and again turned left and drove 20km.He found himself 10km west of his starting point.How far did he drive northward initially?

  91. Math

    A man drove his car northward,then turned left and drove 10km and again turned left and drove 20km.He found himself 10km west of his starting point.How far did he drive northward initially?

  92. physics

    A car is moving with constant acceleration. Which of the following is true? a) the car travels the same distance in each second b) car's velocity increases by the same amount in each second c)car's velocity decreases by the same amount in each second

  93. Physics

    A car has an initial velocity of 45m/s and a final velocity of 0m/s 9 seconds later. A. What is the Acceleration? B. How far did they travel during the 9s?

  94. Physic

    A car is slowing down at a rate of 20 km/h/s. How far does it travel if its original velocity is 50 km/h and its final velocity is 5.0 m/s?

  95. Physics

    A car with a velocity of 21m/s is accelerated uniformly at arate of 1.6m/s for 6.8s. What is its final velocity?

  96. Physics

    Just checking my answers A 0.30 kg toy car with an initial velocity of 4 m/s collides with a 0.5 kg car with an initial velocity of 4 m/s in the opposite direction. If the cars stick together during the collision, what is the final velocity of the two

  97. physics

    A car with a velocity of 19 m/s is accelerated uniformly at the rate of 1.8 m/s2 for 6.8 s. What is its final velocity?

  98. physics

    A car with a velocity of 19 m/s is accelerated uniformly at the rate of 1.8 m/s2 for 6.8 s. What is its final velocity?

  99. Math

    Kurt drove his car from City A to City B at an average rate of 35 miles per hour. He started at 2 p.m. and drove 20 mile in t hours. Which of the following equations represents this situation? a. 20 = 35 t b. 35 = 20 t *** c. 20 = 35 (t+2) d. 35 = 20 (t

  100. Physics

    Two cars are travelling in the same direction along a street. Car A collides with Car B and they lock together. Calculate tgeur velocity after the collision. Before: Car A: mass of 1001kg. Velocity of 12m/s Car B: mass of 1200kg Velocity of 10m/s After:

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