At sea level, a kilogram weighs approximately:

1 pound
2 pounds
5 pounds
10 pounds

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

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 a subatomic particle with a negative charge and very little mass?