Abasketball player jumped straight up to grab a rebound. if she was in the air for 0.80 second, how high did she jump?

a) 3.1 m
b) 0.78 m
c) 1.2 m
d) 0.50 m

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?