# A person carrying 10 bricks each of mass 2.5 kg on his head moves to a height 20 m in 50 seconds . Calculate the power spent in carrying bricks of the person. (g = 10 m/s 2)

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mass of 10 bricks= 2.5 × 10 = 25 kg

power = work done × displacement / time

= mgh/t

= 25 × 10 × 20 / 50

= 100

there the power is 100 W

Mass of 10 bricks= 2.5×10

=25 kg

power=work done ×displacement/time

=25×10×20/50

=100W

=25 kg

power=work done ×displacement/time

=25×10×20/50

=100W