Physics

Problem

An automobile of mass

1000\,\text{kg}

travelling at

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

is brought to rest by a constant net force in

0.06\,\text{s}

. Calculate the magnitude of this average force. a)

1.5\times10^{5}\,\text{N}

2.0\times10^{5}\,\text{N}

3.0\times10^{5}\,\text{N}

3.0\times10^{4}\,\text{N}