Question

derivation of k.e=1/2mv^2​

Answer 1

Answer:

First up it's K.E. = 1/2 m (v^2) ; the squared only applies to the v. and v^2 = u^2 + 2as from the equations of motion. Rearrange for s, substitute f/m for a into the equation of motion, then substitute into work = f s.

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Answer 2

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