A 1,633 kg car moving at 23 m/s slams on the brakes and comes to a stop in 43 m. What is the force of friction acting on the car during braking?

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

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?