Aball is thrown vertically upward. what is its acceleration right before it hits the earth?

What happens to atoms and chemical bonds during a reaction?

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

What do you think car designers do if the damage caused by a crash test is too severe?