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
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The debates the picture was giving you a hint
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The debates the picture was giving you a hint " TIME " and what got finished?? The debates.
I think that it is a mixture because air can contain anything.
