physics

The velocity of a simple harmonic oscillator is given by;

v = + 6.92*sin(10.5*t) (mks units)

What is its angular frequency?
omega =

What is the amplitude of the motion?
A =

Where is the mass at the time t = 86.08 seconds?
x =

If the mass is 0.53 kg, what is the spring's potential energy?
PE =

What is the kinetic energy?
KE =

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