amy987655 amy987655

15-02-2021
Physics

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Q.10: A ball of mass 2 kg is fired straight up with an initial speed of 20 m/s. It rises to its maximum
height, and then falls down to its starting point. Neglecting air resistance, the work (in J) done on the
ball by gravitational force through the entire trip is:

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Rakib95 Rakib95

15-02-2021

Answer:

400 J only............

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