Two coolies A and B do some work in time 1 minute and 2 minute respectively. The power spent is
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DUDE IT IS A VERY EASY QUESTION.
GIVEN ,
BOTH COOLIES DO THE SAME WORK , LET IT BE X
∆ TIME SPEND BY COOLIE A IS 1 MIN = 60 SEC
THEREFORE , POWER = RATE OF DOING WORK
= WORK / TIME
= X / 60 J
∆ TIME SPEND BY COOLIE B IS 2 MIN = 120 SEC
THEREFORE , POWER = WORK DONE / TIME
= X / 120 J
∆ RATIO OF POWER SPENT = A : B
= X / 60 : X / 120
= 120 : 60
= 2 : 1..............[ ans ]
@ AMINUL HOQUE .
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