A particle moves according to the equation x = a cos t The distance covered by it in 2.5 second is

MHT CET Physics question

A particle moves according to the equation x = a cos The distance covered by it in 2.5 second is

Answer: (B)

= gives T = 2 s, so 2.5 s = 1.25 T; in one period the distance is 4a and in the extra T/4

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Question ID VK-067643