阿摩線上測驗
1. A 10 g object connected to one end of a massless spring undergoes 50 oscillations in 5 seconds.
What is the spring constant?
(A) 5 N/m
(B) 10 N/m
(C) 20 N/m
(D) 30 N/m
(E) 40 N/m
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統計： A(0), B(4), C(1), D(1), E(9) #3233267
統計： A(0), B(4), C(1), D(1), E(9) #3233267
