WILL MARK FIRST PERSON BRAINLIEST! EASY 7TH GRADE SCIENCE QUESTION!! Which form of electromagnetic radiation with a relatively high amount of energy is used to sanitize lab goggles?
A. Infrared
B. Visible
C. Radio
D. Ultraviolet

Aforce of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. what is the force acting on the object in the horizontal direction?

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?

The slope of a velocity time graph over any interval of time gives the during that interval