Help with dynamics- oscillations

If the mass of a particle is 2, and x>0.

http://mathhelpforum.com/webkit-fake...pplication.pdf

1.What would the total energy be if the particle was released at x+4?

2. What would the particle's velocity be at x=3?

3.Where is the maximum velocity?

4. What is the period of the motion using:

http://mathhelpforum.com/webkit-fake...pplication.pdf

This question has been giving me sleepless nights but no matter what i try i don't seem to get anything like a reasonable answer.

Thank you

Re: Help with dynamics- oscillations

Again try reposting the images.

-Dan