The components are at a right angle so the resultant is R^2 = 4.50^2 + 9.80^2 R = 10.78 or 10.8
I hope this helps! :)
~erudite
Answer:
a ) Its wavelength decreases
Explanation:
When a ray enters into air from glass slab its wavelength decreases.
Answer:
You would use a bar graph
About 5 billion years ago