Questions and Answers
What is an important characteristic of uniform circular motion?
The direction of motion changes continuously with time.
Which force is responsible for maintaining uniform circular motion?
Centripetal force
If a car is stopped in 10 seconds by applying brakes with a retardation of 2.5 m/s^2, what is the initial velocity of the car?
25 m/s
Describe the motion of a body that is accelerating at a constant rate of 10 m/s^2.
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If a motorcycle is moving at 5 m/s and accelerates at 0.2 m/s^2 for 10 seconds, what is its final speed?
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