Physics

Problem

A scooter travelling at

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

comes to rest in

62.5\,\text{m}

under a constant retardation. The time taken to stop is a)

2.5\,\text{s}

10\,\text{s}

5.0\,\text{s}

3.2\,\text{s}