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DYNAMICS
It is desired that the 100-lb container, when released
from rest in the position shown, have no velocity
after dropping 7 ft to the platform below. Specify
the proper weight W of the counterbalancing
cylinder.
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****** find the ******** ********
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**** * *** +V_1 = *** + *** T_1 * *** * T_2 = * **** ********** **** and datum ***** PE **** ***** * *** * * * ** *** ****** mg = 100 ** = ** ****** *** * mgh * ******** = *** U_12 * ************** ********* [2T*(5/13)]*5' = *** * * * * *** ** *** ****** is W * *** **