A simple pendulum and a mass oscillating on an ideal spring both have period T i

Question

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now accelerates downward uniformly at 2 m/s2, what is true about the periods of these two systems?

Select one:

a. The period of the pendulum would decrease but the period of the spring would stay the same.

b. The period of the pendulum would increase but the period of the spring would stay the same.

c. Both periods would decrease.

d. Both periods would remain the same.

e. Both periods would increase.

Explanation / Answer

A. The period of the pendulum would decrease but the period of the spring would stay the same

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