A 44.2 g pinball starts at the top of a frictionless pinball table inclined at 45.0°?

A 44.2 g pinball starts at the top of a frictionless pinball table inclined at 45.0°. If the ball is released and the spring at the bottom is compressed 0.0500 m and has a spring constant of k = 24.5 N/m, how far back up the pinball table will the pinball travel before rolling back down again?
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