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Suppose a car starts from rest and completes a straight line, 1/4 mile (402 meter) race in 12.3 seconds. Assume the acceleration to be constant:

A. what was the final speed
B. what was the acceleration
C. What was the average speed through the first 5 seconds
D. What was the average speed between 9 and 10 seconds
E. How fast was the car going at the half way point in time
F. how far had the car gone by the half way point in tim
G. how long did it take for the car to travel half the distance
H. how fast was the car going at the half distance point
I. if the car can brake with an acceleration of -6.2 m/s^2, how far would it go in slowing from its top speed back to 5 m/s and how long would it take?

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  • Category:- Physics
  • Reference No.:- M9374081

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