232 Potential EnergyP8.37(a)The object moved down distance 1 20. m+x. Choose y=0 at its lower point.KU UEK U Umgykxxxxxigisifgfsfi+++=+++++=+++==−−=±−−−⋅=±∆mech2kgm smN mNmNJN NmNmN320 N m000001215098012012320016014717614 714 74 16017 6216014 71072222.....bgejafafafafThe negative root tells how high the object will rebound if it is instantly glued to the spring.We wantx=0381m(b)From the same equation,1631232060244 29322.kgm smN m2af−The positive root is x=0143m.(c)The equation expressing the energy version of the nonisolated system model has one more
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .