PHYSICS

a stone of mass 0.5kg is drop from a height of 12m. calculate; it's kinetic energy. (g=10m/s2).

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  1. KE at impact=PE at start= m*g*h

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  2. K.E=P.E=m×g×h
    =0.5×10×12
    =60J
    Hope it helps.
    Diamond

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