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A 4.00 kg mass on a frictionless horizontal surface is attached to a spring. The other...

A 4.00 kg mass on a frictionless horizontal surface is attached to a spring. The other end of the spring is fixed to a wall. The spring constant is 6.00 N/m. The mass is moved to the right, stretching the spring by 12.0 cm, and then released from rest.
a) Find the frequency of the motion in Hz.
b) Find the force when x = 6.00 cm.
c) Find the time when x = 6.00 cm.
d) Find the velocity when x = 6.00 cm.
e) What is the maximum speed?
f) What is the maximum acceleration?
g) What is the maximum potential energy?

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