: Hai quả cầu nhỏ giống nhau có cùng khối lượng 0,1 g và mang điện tích q = 10 – 8 C treo vào cùng một điểm bằng hai sợi dây nhẹ, cách điện, dài bằng nhau. Dưới tác dụng của lực tĩnh

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?