The period of a simple pendulum X is 5s What is... - WAEC Physics 2014 Question
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?
A
12.5s
B
2.5s
C
2.0s
D
1.2s
correct option: a
\(T_x = \frac{20}{5} = 4s\)
\(T_y = \frac{50}{4} = 12.5s\)
\(T_y = \frac{50}{4} = 12.5s\)
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