Homework Help: Physics

Posted by Jacob on Tuesday, April 14, 2009 at 1:38pm.

A gun that is spring-loaded shoots an object horizontally. The initial height of the gun is h=5 cm and the object lands 20 cm away. What is the gun's muzzle velocity?

Do i use something like v=sqr(k)/m*x. am getting something like 3.2, is this somewhat correct at all.

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