I think it was Isaac Newton
Answer:
d. velocity slows down and angle changes
Explanation:
Crates is the correct answer because they create dents that make the bumps of mountains.
Answer:
C
Explanation:
b is 55 miles per hour south or 55mph[South]
the important part to understand is that velocity is a vector meaning it also has to have a direction, in this case south. That is why a (2m/s) is not a velocity, however 2m/s is a speed.