Which equation describes the sum of the two vectors plotted below? O A. I = x+ý O B. P = 2x + y O c. r = &- O D. P = -X+3Ý

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?

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

More solar radiation is absorbed by earth’s surface than by