A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively. The surface charge density on the inside surface is −100 nC/m². The surface charge density on the exterior surface is +100 nC/m².
What are the strength and direction of the electric field at points 4, 8, and 12 cm from the center?

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blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

= initial pressure

= final pressure = 2

= initial volume

= final volume = /4

= initial temperature = 20 c = 20 + 273 = 293 k

= final temperature = ?

using the equation

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