Answer:
a = 3 m/s^2
Explanation:
Vi = 10 m/s
Vf = 40 m/s
t = 10 s
Plug those values into the following equation:
Vf = Vi + at
40 = 10 + 10a
---> a = 3 m/s^2
Between the bumps and dips of two surfaces. SO the answer is 2 surfaces. Hope this helps! :)
True
Answer: I would say the answer is B.
Explanation: It looks and sounds the most correct.