Question

drive kinetic energy formula

Answer 1

kinetic energy
$= \frac{1}{2}m {v}^{2}$
work done = F × s
and F = ma and
$s = {v}^{2} - {u}^{2} \div 2a$
so work done
$= ma \times ( {v}^{2} - {u}^{2}) \times \frac{1}{2a}$
and if u =0
then
$= \frac{1}{2}m {v}^{2}$