A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of

Question

A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m. When the object is a distance 1.20 x 10^-2 m from its equlibrium position, it is observed to have a speed of 0.305 m/s.

1.) What is the total energy of the object at any point of its motion?

E = ?? J

2.) What is the amplitude of the motion?

A = ?? m

3.) What is the maximum speed attained by the object during its motion?

vmax = ?? m/s

I have no idea how to do these problems. Please show step by step with correct answers so I can try to understand.

THANK YOU!!

Explanation / Answer

The potential elastic energy stored in the spring at a compression of 0.012 m is:
Ep = k * x

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