johnathan1104 johnathan1104

01-02-2019
Physics

contestada

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate Eddy’s power rating

Respuesta :

christy52 christy52

02-02-2019

power = energy transfer/ time
During the climb, gravitational potential energy increases.
Increase in potential energy = mass x gravity x height
= 55 x 9.81 x 1.5
= 809.325J
Power = 809.325 / 2
= 404.6625W

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