Question

If velocity of a body becomes half,
then the kinetic energy of the body
becomes:
(a) One forth (b) Double
(c) Four times (d) Half

Answer 1

Answer:

one fourth is the correct answer

Explanation:

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Answer 2

Explanation:

Kinetic energy =

2

1

mv

2

⇒ K.E∝v

2

Hence, if the velocity of a body is doubled its kinetic energy becomes 4 times.