Sort the chemical reactions based on whether they absorb or release energy. Respiration in cells

activating a cold pack

producing electric current

photosynthesis

burning a candle

baking bread

Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.