Acar stops in 120m. if it has an acceleration of -5m/s^2, how long did it take to stop?

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

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

If a simple machine reduces the strength of a force, what must be increased?