Question

A ball rolls down a hill with a height of 10m and the ball has a mass of 20kg. and then bounces up 4 m and has a gravity of 10. what is it's dissipated energy

Answer 1

Dissipated energy is 1200 Joules

Explanation:

To find the dissipated energy during the bounce, we’ll find the difference in potential energy of the ball at the initial height (10 m) and the height after impact (4m).

The formulae for finding Potential energy is;

P.E = m * g * h whereby;

P.E = Potential Energy

M = mass

G = gravity

H = height

(1) Initial P.E

P.E = 20 * 10 * 10

P.E = 2000 Joules

(2) After bounce;

P.E = 20 * 10 * 4

P.E = 800 Joules

(3) The difference (Dissipated Energy);

2000 – 800

= 1200 Joules

Learn More:

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