Question

Please solve this problem.........

Answer 1

POWER (W) = MGH/TIME

GIRL A

H=8m
Weight=400 N

W=m × g
400=m×10
mass of A= 400/10
mass=40 Kg

Power= mgh/time
Power= 40×10×8/20
power=40×8/2
Power=40×4
Power=160 Watt

GIRL B

H=8m
Weight=400 N
W=m×g
400=m×10
m=400/10
m=40Kg

Power=mgh/t
Power=40×10×8/50
Power=40×8/5
Power=8×8
Power=64 Watt

Note:- It can be done by one more method.

HOPE IT HELPS YOU!

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