The answer you are looking for is:
D.) It facilitates the moment of the current though a wire.
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A. it bends when light reaches an end of a barrier it will bend.
Answer:
A ball is thrown straight up with a speed of 30
m/s. What is the maximum height reached by
the ball?
Answer:
-1500 m/s2
Explanation:
So the ball velocity changes from 10m/s into the wall to -8m/s in a totally opposite direction within a time span of 0.012s. Then we can calculate the average acceleration of the ball as the change in velocity over a unit of time.

Answer:
P = F/S = 100/2 =50 (N/m2)