An athlete performing a long jump leaves the ground at 27.3 degree angle and lands 7.63 m away. What was the take off speed? And if this speed were increased by just 3.0%, how much longer would the jump be?

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs