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Question

A ball is thrown horizontally from the top of a tower with an initial velocity of 20 meters per second, what is the horizontal velocity of the ball as it hits the ground ?

A
9.81 m/s
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B
34.3 m/s
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C
20.0 m/s
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D
68.6 m/s
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Solution

The correct option is C 20.0 m/s
Since, there is no acceleration of ball in horizontal direction, its velocity in x-direction remain same i.e20m/s
Therefore, C is correct option.

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