9. Work & Energy

Work By Springs

Multiple Choice

A spring-loaded toy gun shoots a $50 g$ metal ball at $4.0 m / s$ . How much energy was stored in the spring when it was cocked, and ready to shoot?

0.57 J

0.65 J

1.2 J

2.3 J

0.40 J

137

Master Spring Force (Hooke's Law) with a bite sized video explanation from Patrick Ford

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A spring-loaded toy gun shoots a 50⁢g metal ball at 4.0⁢m/s. How much energy was stored in the spring when it was cocked, and ready to shoot?