JEE Main Physics question

Statement 1: Stopping distance = (Kinetic energy)/(Stopping force) Statement 2: Work done in stopping a body is equal to the KE of the body.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

Work done by the stopping force = F×(stopping distance), and this must equal the body's

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Question ID VK-153815