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An electron in an oscilloscope tube is traveling horizontally with a speed of 4.1×106m/s . It passes through a 2.0cm long region with an electric field pointing upward by a magnitude of 1700N/C .
1. What is the magnitude of the electron’s velocity when it emerges from the electric field region?
2. What is the direction of the electron’s velocity when it emerges from the electric field region?
Coherent ligh of a wavelength 500nm passes through a narrow slit. In the single-slit diffraction pattern observed on a screen that is 4.0m from the slit, what will the width of the central maximum be
Ship moving initially at 10.7 m/s due North, drifts due NE at the same speed. To correct the bearing, the captain accelerates the engine and turns the rudder NW. If the engines deliver a constant acceleration of 4.4 m/s2, how long will it take to a..
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