Physics

Problem

How much work must be done on a

1500\,\text{kg}

car travelling at

18\,\text{m/s}

to bring it to rest? a)

+2.4 \times 10^{5}\,\text{J}

-4.9 \times 10^{5}\,\text{J}

-2.4 \times 10^{5}\,\text{J}

-1.2 \times 10^{5}\,\text{J}