A 200 Kg Mass Is Connected to a Spring with a a Spring

Multiple Choice

A 2.00 kg mass is connected to a spring with a spring constant of 9.00 N/m.The displacement is given by the expression x(t) = 12.0 cm sin( $\omega$ t) .What is the period of the simple harmonic motion?

A) 4.75 sec
B) 4.27 sec
C) 3.95 sec
D) 3.36 sec
E) 2.96 sec