A particle has displacementx given by x = 3 cos(5pi t + pi), where x is in metres and in seconds. What are the frequency f and period T of the motion?

A particle has displacementx given by x = 3 cos(5pi t + pi), where x i

1.	A particle has displacementx given by x = 3 cos(5pi t + pi), where x is in metres and in seconds. What are the frequency f and period T of the motion?
Answer» SOLUTION :2.5 HZ, 0.4 s