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15-11-2019
Physics

contestada

If gravity is the only force present, what is the total mechanical energy of a
book falling off a shelf at a time when its potential energy is 50 J and its
kinetic energy is 60 J?

Respuesta :

Hania12 Hania12

16-11-2019

Answer:

110 J

Explanation:

Mechanical Energy = Kinetic Energy + Potential Energy

= 60 J + 50 J

= 110 J

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