Science, asked by sravya63, 3 months ago

QIL A person holds a body of mass 20 kg over his head for 10 sec. Has he done any work? Justify
your answer.
Q12. A free falling body stops on reaching the ground. What happens to its kinetic energy?
Q13. How are K.E. and momentum related?

Answers

Answered by ashakreach2017

0

Answer:

12 is answer of your question

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