A ball is moving with speed 20m/s collides with a smooth surface. the magnitude of change in velocity of the ball will be
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The ball has some initial velocity before it collides with a smooth surface. It is 20 meter per second. When the ball strikes with the smooth surface, it comes to rest so the final velocity becomes zero meter per second. So by applying the formula, the change in velocity comes out to be -20 meters per second.
Hope it helps.
The ball has some initial velocity before it collides with a smooth surface. It is 20 meter per second. When the ball strikes with the smooth surface, it comes to rest so the final velocity becomes zero meter per second. So by applying the formula, the change in velocity comes out to be -20 meters per second.
Hope it helps.
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