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Question1

A jet plane w/ a constant speed along a straight line at an angle 30 degrees above horizontal. The plane is 86500 N in weight. Its engines give a 103000 N thrust. Adding to the lift force L (Perpendicular to the wings) and the air resistance R (directed opposite) act on the plane. Find out L and R

Question2

The emf of each flashlight battery is 1.5 volts. Establish the steady-state electric field inside each Nichrome wire. Consider that in the steady state you have to satisfy both the current node rule and energy conservation. These two principles give you two equations for the two unknown fields.

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