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Kinematic Equations Practice

Page history last edited by Tolboom 7 years, 8 months ago

2 Step Problems

  1. Billy accelerates 20m in a sprint. He starts at 2.3 m/s and accelerates at a rate of 5 Formula. How much time does it take him? (2.4 s)
  2. How much time will it take an object moving at 5m/s to accelerate at 2 Formula across a distance of 55m? (5.3 s)
  3. Herbert the penguin dives off of an iceberg with an initial velocity of 3m/s. If he accelerates at 9.8 Formula and the iceberg is 8m tall, how much time does it take him to hit the ground? (1.0 s)

 

Mixed Problems 

  1. A boat starts at 5m/s and accelerates to 11m/s. If it covers a distance of 100m during the course of this motion, how much time does it take? (12.5 s)
  2. Jill wants her sports car to be able to travel 50m in 1.3s. Assuming she starts from rest, what kind of acceleration will her engine have to provide? (59.1 Formula)
  3. An object is accelerated at 11 Formula for a distance of 8m. If it initially started at 15 m/s, how much time does this period of acceleration take? (0.46 s)
  4. A softball is accelerated for 15s. It starts with a velocity of 1 m/s and ends with a velocity of 3 m/s. What is its acceleration? (0.13 Formula)
  5. A car crashes into a guard barrier on the NJ turnpike. It is traveling at 30 m/s when it hits and comes to a stop. If the impact with the barrier causes an acceleration of -12Formula, how long does it take for the car to come to a halt? (2.5 s)
  6. How much time will it take an object starting at 5m/s to accelerate at 7 Formula for a distance of 30m? (2.3 s)
  7. How much distance is covered by an object that starts at 8 m/s and ends at 4 m/s while accelerating at -0.5 Formula? (48 m)

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