Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, t
he first having a mass of 150,000 kg and a velocity of 0.300 m/s, and the second having a mass of 110,000 kg and a velocity of (-0.12 m/s). What is their final velocity?
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Answer:
Explanation:
<u>Given:</u>
Length of each side of the cube,
The Elecric flux through one of the side of the cube is,
The net flux through a closed surface is defined as the total charge that lie inside the closed surface divided by
Since Flux is a scalar quantity. It can added to get total flux through the surface.
So the the charge at the centre is calculated.