emmanuel4321 emmanuel4321

23-05-2021
Physics

contestada

A man is weighed 450N runs up a flight of
Staires consisting of 25 steps each 10cm height
20s calculate the power

Respuesta :

jcherry99 jcherry99

23-05-2021

Answer:

56.25 watts

Explanation:

P = F * d / t

P = Power (it's an unknown at this point).

F = 450 N

d = 25 steps each 10 cm = 25 steps 0.1 m/step = 2.5 m

t = 20 s

Solution

P = 450 * 2.5 / 20

P = 1125/20

P = 56.25

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