Thursday
April 24, 2014

Homework Help: Physics

Posted by John on Tuesday, April 14, 2009 at 8:25pm.

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. I am getting something like 3.2m/s, is this somewhat correct at all.

the choices I have are
a. 2.0 m/s
b. 1.0 m/s
c. 3.2 m/s
d. 4.9 m/s
e. 3.9 m/s

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