Two simple pendulum A and B of equal lengths and of masses 5g and 20g...

WAEC 2011

Two simple pendulum A and B of equal lengths and of masses 5g and 20g respectively are located in the same environment. The periods TA and TB of their respective oscillations are related by the equations

A. T_A = 4T_B
B. T_A = \(\frac{1}{4} T_B\)
C. T_A = T_B
D. T_A = 5T_B

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Correct Answer: Option C

Explanation

The period of a simple pendulum is dependent on the frequency. It is also dependent on the length of the pendulum but not the mass. Since the two pendulums have equal length, then their periods are equal as well.

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