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A ball falling from a building has a kinetic energy of 2000 J and potential energy of 2376 J. What is the mechanical energy of the ball?
A. 376 J
B. 1.188 J
C. 4376 J
D. 4.75x106 J

Respuesta :

quasarJose

Answer:

C. 4736J

Explanation:

The mechanical energy of ball is the sum of its kinetic energy and potential energy at any point;

 Mechanical energy  = kinetic energy + potential energy

Given:

kinetic energy  = 2000J

potential energy  = 2376J

So;

 Mechanical energy  = 2000J + 2376J  = 4736J

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