Answer:
Hey,
All the answers should be blue.
<em>Edg 2020/2021</em>
Explanation:
n = 3.00e8/2.22e8 = 1.35
1.00sin24.5 = 1.35sinθ
θ = 17.9°
a. 250kg I think it's the right answer. hope it helps:)
d because the proton would move towards the negative plate