(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Launch a .8 kg ball from a spring cannon in order to hit a target 25m away, the cannon fires at 45 degrees relative to the ground, what is the initial velocity necessary for the ball to make the distance. spring constant is 425 N/m.

2. Relevant equations

fspring=-kx

3. The attempt at a solution

I really don't know how to get started on this.

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# Homework Help: Need some help on a spring cannon problem

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