confused how to find frequency of change in relative velocity . I am theta in my answer.

correct ans=B

confused how to find frequency of change in relative velocity . I am theta in my answer.

correct ans=B

i was think that we need to divide rate of change of velocity by frequency to get final answer.

so the question ask to find frequency after which change in magnitude of relative velocity repeat.am i correct?

yes that's what you were asked, to calculate the frequency of magnitude

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