Total amount of energy would remain constant according to law of conservation of energy. i.e., 50 Joules
In short, Your Answer would be Option C) <span>50 Joules because as energy converts from one form to another, it cannot be created or destroyed during the conversion.
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Hope this helps!
Year 1972
if I'm not wrong :)
1.velocity and acceleration
2.
3.inertia
4.
5.speed