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22 January, 15:04

A ball is thrown with an initial speed of 20m/s at an angle of 60 to the ground. If air resistance is negligible, what is the ball 's speed at the instant it reaches its maximum height from the ground.

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  1. 22 January, 16:26
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    when a ball is thrown to the air and it attains it maximum height it's value is 0.

    Explanation:

    Therefore

    V = Ucos angle

    V = 20 cos 60°

    V = 20 x0. 5

    V = 10m/s
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