Subject :NSO Class : Class 9
A pupil uses a ticker-timer to investigate the movement of a trolley.
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