A man was driving a car with velocity 50 km/h. He started applying brakes and said to his patner that the car is showing retardation.
(1) What is meant by retardation here?
(2) Write the values of initial and final velocities when the car stops.

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Solution

1. The term retardation here means that the velocity of the car is decreasing with time. Negative acceleration is called retardation.
2. Initial velocity of the car = 50 km/h
Final velocity of the car when it stopped = 0 km/h

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