The period of a simple pendulum X is 5s. What is the period of a simple pendulum Y which makes 50 vibrations in the same time it takes X to make 20 vibrations?

by | Jan 25 | Physics WAEC | 0 comments

A. 12.5s
B. 2.5s
C. 2.0s
D. 1.2s

Correct Answer: Option A

A. 12.5s

Explanation

Tx=20/5=4s

Ty=50/4=12.5s

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