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18 A spring-powered launcher has a spring with a constant of 50.0 N/cm. The launcher is prepared by compressing the spring by 5.00 cm. If the mass of the projectile is 10.0 grams, what is the speed of the projectile when it is launched? Multiple Choice 65.4 m/s 52.8 m/s 457 ms 40.5 m/s 35.4 m/s

18 A spring-powered launcher has a spring with a constant of 50.0 N/cm. The launcher is prepared by compressing the spring by 5.00 cm. If the mass of the projectile is 10.0 grams, what is the speed of the projectile when it is launched? Multiple Choice 65.4 m/s 52.8 m/s 457 ms 40.5 m/s 35.4 m/s

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18 A spring-powered launcher has a spring with a constant of 50.0 N/cm. The launcher is prepared by compressing the spring by 5.00 cm. If the mass of the projectile is 10.0 grams, what is the speed of the projectile when it is launched? Multiple Choice 65.4 m/s 52.8 m/s 457 ms 40.5 m/s 35.4 m/s
Transcribed Image Text:18 A spring-powered launcher has a spring with a constant of 50.0 N/cm. The launcher is prepared by compressing the spring by 5.00 cm. If the mass of the projectile is 10.0 grams, what is the speed of the projectile when it is launched? Multiple Choice 65.4 m/s 52.8 m/s 457 ms 40.5 m/s 35.4 m/s
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