Calculate the change in the stored energy
A current of 1.35 A in an inductor L results in a stored energy of 0.135 J. The current is then changed to 6.48 A in the opposite direction. Calculate the change in the stored energy.
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You look directly at a point on the water that is a horizontal distance 2.4 m away from your eye in order to see the coin at the bottom of the river. a) At what angle of incidence from the normal to the water are you looking?
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