A ball is thrown 6m above the ground. Its total energy at that point is 12 J. What is the total energy of the ball at a halfway point of motion

5.99 J

Explanation:

A ball is thrown 6m above the ground.

Its total energy at that point is 12 J.

The energy of the ball is given by :

E = mgh

Where

m is the mass of the ball

Let E' is the total energy of the ball at a halfway point of motion. h' = 3 m

So,

So, the required energy is 5.99 J.

another example of kinetic energy would be,

kinetic energy   >     moving energy

answer   >   letter choice (c),   a hammer falling off a table.

hope that !                                         : )

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