Why cant you measure thermal energy witha therometer

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

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied