Dmitri is a hockey goalie who makes an incredible save! The puck has a
mass of 0.5kg, and decelerates at
-500m/s/s in Dmitri's glove. His glove
moves 0.05m backward as the puck
comes to a stop. How much work
does the puck do on the glove?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

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?