1. what is the kinetic energy of a ball with a mass of 5 kg rolling
at 10 m/s?

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

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?