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Subject :NSO    Class : Class 9

A pupil uses a ticker-timer to investigate the movement of a trolley.
Fhy-1.eps Fhy-21.eps

Every second, the ticker-timer puts 60 dots on the piece of tape. What length of time corresponds to the distance between X and Y on the tape?

(A) 0.10 s

(B) 0.11 s

(C) 0.17 s

(D) 0.18 s


Ans 1:

Class : Class 9
i have marked d but you are shwing that correct answer is c but according to solution answer is d

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