The sun is just one of the uncountable stars in the universe, as there are more than billions of galaxies containing billions of stars.
Answer:
I think it is the first one: <u>The arrow appears reversed because light is bent as it enters the water, and again as it exits. The two light paths cross, making the direction of the arrow appear crossed.</u>
Explanation:
20N•m or 20J. Work is equal to force•distance, and 5N•4m is 20N•m, or J
Answer: the waves travel in an horizontal direction while the strings vibrate in a vertical direction.
Answer:
-7.04
Explanation:
9.8 multipled by -0.719 b
