Determine force if distance beetween two charges reduced
Two charges attract each other with a force of 2.5 N. What will be the force if the distance between them is reduced to one-ninth of its original value?
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A vertical glass tube of length L= 1.28 m is half filled with a liquid at 20 C. How much will the heigh of the liquid column change when the tube and liquid are heated to 30 C? Use coefficients a glass= 1.00 x 10^-5/K and ß liquid= 4.00 x 10
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