PH-2400

Kinetic energy

Physics · Secondary 4 · Medium · Kinetic energy

A car of mass

1200\,\text{kg}

is travelling at

20\,\text{m s}^{-1}

. What is its kinetic energy?

$2.4 \times 10^4\,\text{J}$
$2.4 \times 10^5\,\text{J}$
$4.8 \times 10^5\,\text{J}$
$9.6 \times 10^4\,\text{J}$

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…