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A proton is initially at rest. After some time, a uniform electric field is turned on and the proton accelerates. The magnitude of the electric field is 1.88 multiply.gif 105 N/C.
1. What is the speed of the proton after it has traveled 5.00 cm?
2. What is the speed of the proton after it has traveled 50.0 cm?
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Suppose that the central diffraction envelope of a double-slitdiffraction pattern contains 3 brightfringes and the first diffraction minima eliminate (are coincidentwith) bright fringes. How many bright fringes lie between the first and second minima..
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A catfish is 5.90 m below the surface of a smooth lake. What is the diameter of the circle on the surface through which the fish can see the world outside the water
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