A) Time 20 oscillations and multiply by 20.
B) Time 20 oscillations and divide by 20.
C) Time one oscillation.
D) Time the motion from X to Y, and double it.
Correct Answer: B
Solution :
It is not a accurate to time just one oscillation, as the human reaction time of 0.3 s causes a large error in the reading the best way is to time 20 oscillation and divide the time by 20.You need to login to perform this action.
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