A ball with a mass of #300 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #54 (kg)/s^2# and was compressed by #7/6 m# when the ball was released. How high will the ball go?

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Answer 1 · 2016-04-12T18:57:08

#h=12,49 " meters"#

#E_p=1/2*K*Delta x^2#
#E_p=1/2*54*(7/6)^2#

#E_p=27*49/36#

#E_p=36,75J" stored energy for spring"#

#m*g*h=36,75#
#m=300" gr"=0,3" kg"#
#g=9,81 N/(kg)#

#h=(36,75)/(0,3*9,81)#

#h=(36,75)/(2,943)#

#h=12,49 " meters"#