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  1. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?

    2. A.

     0 m/s
    B.

     4.9 m/s
    C.

     14.7 m/s
    D.

     20 m/s

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    Answer : Option A

    Explanation :

    An object that is thrown vertically upwards decelerates under the earth's gravity. Its speed decreases until it attains a maximum height, where the velocity is zero.

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