7) Assertion If speed of an object is made tvice then its kinetic energy becomes
four times
Reason: Kinetic energy 1/2 my
(a) Both A and Rare true and Ris the correct explanation of A
(b) A is true but R is false,
(C) R is false but A is true.
(d) Both A and R are true but R is not the correct explanation of A
Answers
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Answer:
b
Explanation:
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