PH-2327

Kinetic energy

Physics · Secondary 4 · Easy · Kinetic energy

A car of mass

900\,\text{kg}

is travelling at

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

. What is its kinetic energy?

$1.8\times10^5\,\text{J}$
$3.6\times10^4\,\text{J}$
$9.0\times10^5\,\text{J}$
$4.5\times10^3\,\text{J}$

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