Physics

Problem

1000\,\text{kg}

car slows down from

25\,\text{m/s}

15\,\text{m/s}

. Determine the net work done by the braking force. a)

+2.0 \times 10^{5}\,\text{J}

-4.0 \times 10^{5}\,\text{J}

-2.0 \times 10^{5}\,\text{J}

+1.125 \times 10^{5}\,\text{J}