The velocity of a particle performing simple harmonic motion is ____________ whose displacement is f(t) = A cos(ωt + φ).

The velocity of a particle performing simple harmonic motion is ______

1.	The velocity of a particle performing simple harmonic motion is ____________ whose displacement is f(t) = A cos(ωt + φ).
A.	ωA sin (ωt + φ)
B.	–ωA cos(ωt + φ)
C.	–ωA sin(ωt + φ)
D.	ωA cos(ωt + φ)
Answer» D. ωA cos(ωt + φ)