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A particle of mass 4g is attached to a horizontal spring and set into oscillatory motion...

A particle of mass 4g is attached to a horizontal spring and set into oscillatory motion on a frictionless surface by stretching the spring by 39 cm from its equilibrium length at t=0.00 s. The particle is found to oscillate with a period of 0.88 s.

  1. What is the maximum kinetic energy of this system?
  2. What is the position of the particle at t=0.29 seconds?
  3. What is the velocity of the particle t=0.29 seconds?
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