120. (a) Since the center of mass of the man-balloon system does not move, the balloon will move downward with a certain speed urelative to the ground as the man climbs up the ladder. (b) The speed of the man relative to the ground is vg= v – u. Thus, the speed of the center of mass of the system is vmv
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.