Question

A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be ________.

More than the speed it had when thrown upwards
More than the speed it had by when thrown upwards

Less than the speed it had when thrown upwards
Less than the speed it had when thrown upwards

I need more information
I need more information

The same as the speed it had when thrown upwards

Answer 1

Answer:d

Explanation: gravity initially is negative until velocity= 0 then positive when coming back down, assuming the same distance is kept

Answer 2

The speed of the ball when caught would be the same as the speed it had when thrown upwards

In the absence of air resistance, the speed of the ball thrown upwards decreases with increase in height as it ascends upwards, which eventually becomes zero at the maximum height. Also the speed of the ball increases as the ball descends which eventually becomes maximum before the ball hits the ground.

For example; if a ball is thrown upward with an initial velocity of 5 m/s, the velocity of the ball will be zero at the maximum height and 5 m/s before it hits the ground.

Thus, we can conclude that In the absence of air resistance, the speed of the ball when caught would be the same as the speed it had when thrown upwards

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