a 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. what is its potential energy (PE) when it is 2.00 m above the ground

Question

Physics

Thomas Bird

5 March, 00:27

a 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. what is its potential energy (PE) when it is 2.00 m above the ground

+2

Answers (1)

Know the Answer?

Amelia Hobbs · Answer 1

1.56 J

Explanation:

The potential energy only depends on the vertical height from the ground level.

We consider the ground level to have zero P. E.

So when it is 2 m above the ground level,

P. E. = mgh

= 0.078*10*2

= 1.56 J