What is the temperature increase of 1 Kg of water at the bottom of a waterfall if all of the initial potential energy (1421J) is transferred as heat to the water?

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

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

Is the time in tennessee the same as florida