A small glider is placed against a compressed spring at the bottom of an air tra

Question

A small glider is placed against a compressed spring at the bottom of an air track that slopes upward at an angle of 34.0 degrees above the horizontal. The glider has mass 7.00×10-2 kg. The spring has 610 N/m and negligible mass. When the spring is released, the glider travels a maximum distance of 1.30 m along the air track before sliding back down. Before reaching this maximum distance, the glider loses contact with the spring.

When the glider has traveled along the air track 0.300 m from its initial position against the compressed spring, what is the kinetic energy of the glider at this point?

Explanation / Answer

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