Answer:
option "c"
Explanation:
because in gases molecules are further apart and move very quickly
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Answer:
Jace~
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Answer:
c. 1600J
Explanation:
The loss in potential energy of the boy is given by:

where
m = 40 kg is the mass of the boy
g = 9.8 m/s^2 is the acceleration of gravity
is the total change in the height of the boy (4 metres + 2 cm due to the compression of the spring)
Substituting, we find

Answer: Heat waves? I’m not %100 sure