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Horizontal and Vertical Components of Projectile Motion

A ball is thr...

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 $i . e 20 m / s$
Therefore, C is correct option.

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