Question

An object on the end of a spring is oscillating in simple harmonic motion given by x(t) = (4.0 cm)cos((3.0 rad/s) t + 0.3 rad). What is the velocity of the particle at t = 1.0 seconds?

A. +3.9 cm/s
B. -3.9 cm/s
C. 12 cm/s
D. -1.89 cm/s
E. +1.89 cm/s

Answer 1

An object on the end of a spring is oscillating in simple harmonic motion given by x(t) = (4.0 cm)cos((3.0 rad/s) t + 0.3 rad). What is the velocity of the particle at t = 1.0 seconds?

A. +3.9 cm/s
B. -3.9 cm/s
C. 12 cm/s
D. -1.89 cm/s
E. +1.89 cm/s