Answer:
It should be fibre optic cable , buried underground
Diagram B .... light shines through at an angle
Krypton ... symbol Kr ... is an element. It's element number 36, because
there are 36 protons in the nucleus of every atom of Krypton.
Krypton has nothing to do with Superman, except that about 75 years ago,
the creators of Superman thought it was a cool-sounding scientific word,
so they chose it for the name of his home planet.
I believe your answer should be C. Speed.
Answer:
49 m/s
Explanation:
Acceleration = velocity / time
You should know accleration due to gravity is 9.8 m/s^2 and you're given t = 5, so you can solve for velocity:
9.8 = v / 5
v = 49