An proton is traveling in the -X direction and is slowing down. What is the direction of the E-field in this situation?
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A: magnetic field = 1 gauss speed (v) = 4 m/s L = 10 m
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- A cyclotron (figure) designed to accelerate protons has an outer radius of 0.333 m. The protons are emitted nearly at rest from a source at the center and are accelerated through 572 V each time they cross the gap between the dees. The dees are between the poles of an electromagnet where the field is 0.720 T. The black, dashed, curved lines Alternating AV represent the path of the particles. -Dg After being accelerated, the particles exit here. -North pole of magnet (a) Find the cyclotron frequency for the protons in this cyclotron. 1.04e33 x rad/s (b) Find the speed at which protons exit the cyclotron. m/s (c) Find their maximum kinetic energy. ev (d) How many revolutions does a proton make in the cyclotron? revolutions (e) For what time interval does the proton accelerate? awranca Barke kay NationallabA proton, that is accelerated from rest through a potential of 60 kV enters the velocity filter, consisting of a parallel-plate capacitor and a magnetic field, shown below. What is the proton's speed? Take т, — 1.67 х 10 27 kg and e - 1.6 x 10 19 с. B The speed, v - Units Select an answer The E-field between the plates is 1.3 x 106 N/C. What B-field is required so that the protons are not deflected? The magnetic field, B = Units Select an answerA powerful, superconductive wire carries a 5000A current directly out of this screen. An electron is travelling parallel to the wire with a speed of 5E8 m/s, in the same direction as the current. the electron is 50.0 (micrometer) to the right of the wire. A) What is the magnitude and direction of the Magnetic field due to the superconductor at the location of the electron? B) What is the magnitude and direction of the force acting on the electron due to the superconductor's magnetic field?
- i. Find the direction of electric field, if any, at points P and Q due to the two charges as shown (two separate questions, spacings are uniform) -q Q I ii. Find the direction of magnetic force on electron at point R, and the direction of force on a proton at point S (two separate questions). Both the electron and proton has initial velocity upward (assume infinitely long current carrying wires). Avel S +q Р P vel eq19