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April 20, 2014

Homework Help: Physics

Posted by Sarah on Thursday, June 16, 2011 at 2:26pm.

The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in Figure P5.33a. If its spring is compressed a distance of 0.140 m and the gun fired vertically as shown, the gun can launch a 24.0 g projectile to a maximum height of 26.0 m above the starting point of the projectile.
(a) Neglecting all resistive forces, determine the spring constant.
(b) Neglecting all resistive forces, determine the speed of the projectile as it moves through the equilibrium position of the spring (where x = 0).

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