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
[tex]U=mgh[/tex]
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
[tex]g=9.8 m/s^2[/tex] 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:
[tex]U=(0.0780)(9.8)(2.00)=1.53 J[/tex]
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