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A 4.0 kg block is attached to a spring of spring constant N/m. The block is...

A 4.0 kg block is attached to a spring of spring constant N/m. The block is released from x = +1.0 m. spring constant 16pi^2

1.) How long until the block comes back to x = +1.0 m?

2.)How fast is the block moving  as it passes through x = 0 m?

3.)What is the maximum acceleration of the block?

Thanks!

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