Answer: If a velocity time graph is horizontal then the velocity is constant and there is no acceleration.
Answer:
A) you can't see far ahead
I cannot see all the questions, what is 18,19 and 21? (:
Weight = (mass) x (gravity)
Divide each side by (gravity): Mass = (weight) / (gravity) =
(55.54 N) / (9.83 m/s²) =
5.65 kilograms