Question

a lamp transfers 1200j energy in 2 minutes.calculate the power

Answer 1

DATA:

Workdone = 1200 joules (J)

Time = 2 minutes ( convert minutes into second )

(2 multiply by 60 seconds =120 seconds)

so time = 120 seconds

SOLUTION:

FORMULA : WORK/TIME

put values on formula

POWER = 1200/120 = 10 JOULES