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A body is thrown vertically up with a speed of 100 m/s.on the return journey,the speed in m/s at the starting point will be

a)100 m/s b)9.8 m/s c)100×9.8 m/s d)100÷9.8 m/s

The answer in my textbook is a) 100 m/s.

Please solve it urgently.

1
by anudeepd2

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