Question

A block attached to a spring oscillates in simple harmonic motion along the xaxis. The limits of its motion are x= 10 cm and x= 50 cm and it goes from one of these extremes to the other in 0.25 s. Its amplitude and frequency are:
A) 40 cm, 2 Hz
B) 20 cm, 4 Hz
C) 40 cm, 4 Hz
D) 25 cm, 4 Hz
E) 20 cm, 2 Hz

Answer

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