A spring-powered dart gun is un-stretched and has a spring constant 12.0 N/m. The spring is compressed by 8.00 cm and a 5.00 gram projectile is placed in the gun. The velocity of the projectile when it is shot from the gun is
A. 1.52 m/s.
B. 2.54 m/s.
C. 3.92 m/s.
D. 4.24 m/s.
E. 5.02 m/s.
C. 3.92 m/s.
Physics & Space Science
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