A ball with a mass of #420 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #21 (kg)/s^2# and was compressed by #6/5 m# when the ball was released. How high will the ball go?
1 Answer
Oct 15, 2017
7.34 m
Explanation:
Potential energy in spring when it’s in compressed state is
According to law of Conservation of Energy
Total energy stored in spring = Total energy gained by ball