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[Q*13A" body of mass "2kg" is thrown in ...

[Q*13A" body of mass "2kg" is thrown in the vertically upward direction with initial velocity "20],[m/s" .Find "(g=10m/s^(2))],[" (a) Initial kinetic energy "quad (b)" kinetic energy after "1s" of throwing "],[" (c) P.E at maximum height "]

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