22-02-2021
Physics

contestada

if a body of mass m is placed on earth ,what is the amount of potential energy possessed by it (g:-9.8m/s

Respuesta :

larryzhang larryzhang

22-02-2021

Answer:

mgh

Explanation:

Assume the height of the body is 1.8m.

The gravity?of the body is G=mg

the height of the gravity center is about 0.9m

E=mgh

=m*9.8m/s*0.9m

= 8.82mJ

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