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13 January, 05:06

On the surface of the earth, you are in the process of throwing a ball straight upward. The ball has a mass of 1 kg and at a given instant, the ball and your hand are accelerating upward at 5 m/s2. What downward force is the ball exerting on your hand? Let the acceleration of gravity be 10 m/s2. 1. 15 N 2. 20 N

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  1. 13 January, 05:28
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    Answer: 15N

    Explanation:

    F (N) = mg + ma

    = (1kg) (10) + (1kg) (5) = 15 N
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