An Amount of Work Equal to 2

question 35

Multiple Choice

An amount of work equal to 2.5 J is required to compress the spring in a spring-gun.What is the "launch speed" of a 25-g marble?

• A) 14 m/s
• B) 15 m/s
• C) 10 m/s
• D) 4 m/s
• E) ​0.45 m/s

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