You are given two balls that are made from the same rubber. They are also the same size and color. One is hollow and one is solid. Give three physical properties that can be used to identify the ball that is solid

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

Name the non metal condut electricity

What are two different ways you could find the value of a? explain these methods.