Plot the stars A-E. Once plotted determine their color and type.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

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?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.