AP Physics 1easymcq1 pt
A simple pendulum has a period of 3.0 seconds. If the length of the pendulum is increased by a factor of 4, what is the new period?
A.B) 3.0 s
B.A) 1.5 s
C.C) 6.0 s
D.D) 12.0 s
Explanation
Core Concept
The period of a simple pendulum is given by T = 2π√(L/g). When the length L is increased by a factor of 4, the new period is T' = 2π√(4L/g) = 2 × 2π√(L/g) = 2T. Since T = 3.0 s, T' = 2 × 3.0 s = 6.0 s.
Correct Answer
CC) 6.0 s
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