A 350. g cart is launched up a ramp by a spring with a spring constant of 170.0 N/m that is compressed 11.0 cm. If the track is inclined at?

Update: a 15.0 degree angle to the horizontal, calculate the height it reaches above its start, and the distance it travels up the ramp.

I know the answers (h = .300 m; d = 1.16 m), but can't formulate the work to write out
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