A 3.0 kg mass is attached to a spring of spring constant k = 185 N/m resting on a horizontal frictionless surface. The other end of the spring is fixed to a wall. A 1.6 kg mass is thrown toward the 3.0 kg mass and collides with it in a perfectly elastic collision. The maximum compression of the spring is 80. cm. Find the speed of the incoming mass.

A 3.0 kg mass is attached to a spring of spring constant k = 185 N/m resting on a horizontal frictionless surface. The other end of the spring is fixed to a wall. A 1.6 kg mass is thrown toward the 3.0 kg mass and collides with it in a perfectly elastic collision. The maximum compression of the spring is 80. cm. Find the speed of the incoming mass.

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