rsonayacharvo rsonayacharvo

11-11-2016
Physics

contestada

Calculate the work needed for a 65 kg person to climb through 4.0 m
on the surface of (a) the Earth and (b) the Moon

Respuesta :

scme1702 scme1702

15-11-2016

Work done = mgh; m = 65 kg, h = 4 m

a) g on Earth = 9.81 m/s²
W = 65 x 9.81 x 4
= 2550 Joules

b) g on moon = 1.62 m/s²
W = 65 x 1.62 x 4
= 420 Joules

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