Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
The correct answer is 13 hours
Divide 143 by 11 and you’ll get 13.
Answer:
20
Explanation:
Because you see the percentage and divide it by 21
Answer:
Neil Armstrong was the first person to step on the moon on July 20, 1969. Buzz Aldrin and Neil walked around for about three hours. So, both Aldrin and Armstrong were the first, technically speaking.