An engine develops of power while driving a train at

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

An engine develops

90\,\text{kW}

of power while driving a train at

60\,\text{km\!/h}

. What is the driving force on the train? (Give your answer in kilonewtons.) (a)

1.5\,\text{kN}

(b)

5.4\,\text{kN}

(c)

54\,\text{kN}

(d)

0.54\,\text{kN}