A 140 g baseball initially traveling at 30 m/s moves a fielder's glove backward 35 cm when the ball is caught (brought to rest). How much energy did the ball have before hitting the fielder’s glove?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)