The photo shows a pair of figure skaters performing a spin maneuver. The axis of rotation goes through the left foot of the skater on the left. What
action could increase the pair's angular velocity?

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?

How many atoms of nitrogen are in the chemical formula ni(w on

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.