Problem #1: The massless spring of a spring gun has a force constant =10N/cm. When the gun is aimed vertically, a 12-g projectile is shot to a height of 5.0 m above the end of the expanded spring. (See below.) a. What distance, d, was the spring compressed initially? b. What speed does the ball have when it is a height of 2.0m above the equilibrium position of the spring? 5.0 m d = ? NWNNNNNN www.N.NNNN

Physics for Scientists and Engineers: Foundations and Connections
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Chapter8: Conservation Of Energy
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Problem #1: The massless spring of a spring gun has a force constant =10N/cm. When the gun is aimed vertically, a
12-g projectile is shot to a height of 5.0 m above the end of the expanded spring. (See below.)
a. What distance, d, was the spring compressed initially?
b. What speed does the ball have when it is a height of 2.0m above the equilibrium position of the spring?
5.0 m
d
NNNNNNNN
CNNNNNNN
Transcribed Image Text:Problem #1: The massless spring of a spring gun has a force constant =10N/cm. When the gun is aimed vertically, a 12-g projectile is shot to a height of 5.0 m above the end of the expanded spring. (See below.) a. What distance, d, was the spring compressed initially? b. What speed does the ball have when it is a height of 2.0m above the equilibrium position of the spring? 5.0 m d NNNNNNNN CNNNNNNN
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