Question

THE MASS OF A BODY WHICH HAS 10 j OF KINETIC ENERGY WHILE MOVING AT A SPEED OF 2m/s IS mKG FIND THE VALUE OF M

Answer 1

K.e = 1÷2 mv2
M = k.e ×2 ÷v2
M = 10×2 ÷ (2)2
M = 20 ÷ 4
M = 5 kg


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