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A spring with constant k = 78 N/m is at ...

A spring with constant k = 78 N/m is at the base of a frictionless, `30.0^(@)` inclined plane. A 0.50 kg block is pressed against the spring, compressing it 0.20 m from its equilibrium position. The block is then released. If the block is not attached to the spring, how far up the incline will it travel before it stops ?

A

0.080 m

B

0.16 m

C

0.32m

D

0.64m

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The correct Answer is:
D
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