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A spring clamped to the table shoots a 130 g block directly into another 90 g...

A spring clamped to the table shoots a 130 g block directly into another 90 g steel block, this perfectly elastic collision will launch the second block up a ramp. When the spring is compressed 16 cm, the ball travels vertically up a 76 cm ramp and then compresses another (100 N/m) at the top, 8 cm. What then is the spring constant for the first spring? Assume that all surfaces are frictionless.

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