Physics, asked by gameknight885, 1 year ago

Define the term power.a boy of mass 45 kg climbs up 20 steps in 20 seconds .if each step is 25 cm high,calculate the power used in climbing (g=10m/square)

Answers

Answered by dasy31
9

Power is defined as the rate of doing work.

Now, m = 45 kg,

n = 20,

t = 20 s,

h = 0.25 x 20 = 5 m

P = W / t = mgh / t

= (45 x 10 x 5)/20

= 112.5 W


dasy31: mark it brainliest.
gameknight885: Ok
Answered by jayshripatel1301
2
thos is the solution
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