A car of mass starts from rest on a level road with its engine working at a constant…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A car of mass

500\,\text{kg}

starts from rest on a level road with its engine working at a constant power output of

20\,\text{kW}

. Assuming negligible friction, the time taken by the car to cover the first

200\,\text{m}

is nearest to (a)

16.0\,\text{s}

(b)

10.4\,\text{s}

(c)

13.0\,\text{s}

(d)

8.0\,\text{s}