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If you wanted to maximize the force of the electromagnet in your doorbell, which of these three coils would you use? Explain your reasoning. Coil 1 is 4 coils but spread out. Coil 2 is 4 coils but a little closer together. Coil 3 is 4 coils but super close together.

because growing process had stoped after 4-5 year

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

there are no atoms

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.