AP Physics 1mediummcq1 pt
A mass on a spring oscillates with a period of 2 seconds. If the mass is quadrupled, the new period is:
A.8 s
B.4 s
C.1 s
D.2 s
Explanation
Core Concept
For a spring-mass system, T = 2π√(m/k). If mass quadruples: T_new = 2π√(4m/k) = 2·2π√(m/k) = 2T = 4 s.
Correct Answer
B4 s
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