Abartender gives a full mug of beer an initial speed vfull, and the mug stops in front of a patron sitting at the end of the bar. this patron later asks for a mug only half full. the bartender stands at the same position as when she sent the full mug to the patron and gives the mug an initial speed vhalf.

part a

if the mug is to again stop in front of the patron, which is true: vhalfvfull?