AP Physics 1mediummcq1 pt
A 0.40 kg mass on a spring oscillates with period 0.80 s. The spring constant is about (π² ≈ 10)
A.25 N/m
B.50 N/m
C.12.5 N/m
D.6.4 N/m
Explanation
Core Concept
k = 4π²m/T² = 4(10)(0.40)/0.64 = 16/0.64 = 25 N/m.
Correct Answer
A25 N/m
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