calculate the gravitational force between the earth of mass 2.6 multiply 10 raise to power 9 and a book of 5.6multiply 10 raise to power 3 dropped on the ground , a distance of 4.2metre from the earth centre​

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

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Which atomic model was proposed as a result of j. j. thomson’s work?