If a drop is to be deflected a distance 0.28 by the time, Ask an Expert

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Q. If a drop is to be deflected a distance = 0.28 by the time it reaches the end of the deflection plate, what magnitude of charge should be given to the drop? Imagine that the density of the ink drop is 1000 and ignore the effects of gravity.

Q. An aluminium rod is 18.50 cm long at 20 degrees Celsius and has a mass of 350 g. If 10,000 J of energy is added to the rod by heat, what is the change in length of rod?

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