Which of the following gives the correct mathematical relation for power when a work…

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

Problem

Which of the following gives the correct mathematical relation for power

P

when a work

W

is done in time

t

? (a)

P = \dfrac{2W}{t}

(b)

P = \dfrac{60\,W}{t}

(c)

P = \dfrac{W}{2t}

(d)

P = \dfrac{W}{t}