The above answer is correct!
Helium and nitrogen because they are both from the noble gas group.
The potential energy is 4.10 J
Explanation:
The potential energy of a body is given by

where
m is the mass of the object
g is the acceleration of gravity
h is the height of the object relative to the ground
For the lemming in this problem we have
m = 0.078 kg is its mass
h = 5.36 m is the height above the ground
is the acceleration of gravity
Solving the equation,

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Answer:
if I'm not wrong, 0 Joules
Explanation:
If it is not being moved at all, then no work is being done