Answer:

Explanation:
As per mechanical energy conservation we can say that here since friction is present in the barrel so we will have
Work done by friction force = Loss in mechanical energy
so we will have

here we know that



Initial compression in the spring is given as



now from above equation




Answer:
Electrical energy
Explanation:
<em>Hope </em><em>It </em><em>helps </em><em>you </em>
Answer:
C) For every action, there is an equal and opposite reaction
Explanation:
Newton's Third Law
For every force, there is an equal and opposite reaction time. Explains why forces act in pairs.
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