Asked by hadee
                A popgun uses a spring for which k = 20 N/cm. When cocked, the spring is compressed to 3.0 cm. Determine the height of a 5.0 g projectile fired by the gun
            
            
        Answers
                    Answered by
            oobleck
            
    on firing, KE = 1/2 kx^2
at max height, PE = mgh
    
at max height, PE = mgh
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