Question

The displacement of a mass suspended on a spring is modeled by the function y = 5sin(pi t) where y is measured in inches and t in seconds. The amplitude, period and frequency of the motion of the mass are given by:
A) amplitude = 5, period = 2, and frequency =1/2

B) amplitude = 5, period =1/2 , and frequency = 2

C)amplitude = 5, period = 1, and frequency = 1

D)amplitude = 2, period = 2, and frequency = 2

Answer 1

The answer is A.