Determine how far down mass moves after contacting spring
The 20 kg mass is released from the position shown and falls on the linear spring (k = 30000 N/m). Use conservation of energy to determine how far down the mass moves after contacting the spring.
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Derive general expressions for (a) the horizontal range of the projectile between nth and n+1th collision and (b) the time interval between the nth and n+1th collision.
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