PH-933

Kinetic energy

Physics · Secondary 3 · Easy · Kinetic energy

A tennis ball of mass

0.20\,\text{kg}

rolls in a straight line at a constant speed of

4.0\,\text{m/s}

. What is the kinetic energy of the ball?

$0.80\,\text{J}$
$1.6\,\text{J}$
$3.2\,\text{J}$
$6.4\,\text{J}$

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