A lamp with a mass m is suspended from the ceiling by two cords as shown. The ratio of the magnitude of the horizontal component of the tension in to that in is .

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 is the final velocity of the initial velocity of 25 and -50?

You can decrease the resistance of a length of wire by