Question

Calculate the kinetic energy of an object weighing $600kg$ moving at a velocity of $30m/s$

Answer 1

Given, mass $m=600kg$, velocity $v=30m/s$

Kinetic energy is given by,

$K.E=\frac{1}{2}m{v}^2$

$=\frac{1}{2}\times 600\times (30{)}^2$

$=27\times {10}^{4}J$