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 grou

Question

3 years ago

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1 answer:

vagabundo [1.1K] · Answer 1 · 2022-06-07T19:03:42+03:00

The potential energy at 2.00 m above the ground is 1.53 J

Explanation:

The gravitational potential energy of an object is given by

$U=mgh$

where

m is the mass of the object

g is the acceleration of gravity

h is the height of the object above the ground

In the problem, we have:

m = 0.0780 kg is the mass of the lemming

$g=9.8 m/s^2$ is the acceleration of gravity

h = 2.00 m is the height

Substituting, we find its potential energy at 2.00 m above the ground:

$U=(0.0780)(9.8)(2.00)=1.53 J$

Learn more about potential energy here:

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