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?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.