An Athlete Stretches a Spring an Extra 40

question 54

Multiple Choice

An athlete stretches a spring an extra 40.0 cm beyond its initial length.How much energy has he transferred to the spring,if the spring constant is 52.9 N/cm?

• A) 423 J
• B) 4230 kJ
• C) 423 kJ
• D) 4230 J

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