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A charged particle with a positive net electric charge travels with a velocity of 2×107 m.s-1 in the positive x-direction between two plates of a parallel plate capacitor. A uniform magnetic field of 2 mT that is directed into the page also exists in the same location as the capacitor. a. If the parallel plates of the capacitor are separated by 3 cm, determine the voltage required over the plates in order to stop any deflection of the particle. V = __________ V b. ...
Consider the four charges in the diagram below, in which d= 4.4 cm and q2 =+4 nC.The net force on the 1 nC charge is zero. Whatisq1?
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 2.80 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.24 m/s2, determine each of the following.
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 2.80 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.24 m/s2, determine each of the following.
The diving board shown in the figure below has a mass of 28 kgkgand its center of mass is at the board's geometrical center.Determine the forces that support posts 1 and 2 (separated by 1.4 m) exert on the board when a 60-kgperson stands on the end of the board 2.8 m from support post 2. Use positive values for the upward forces and negative values for the downward forces.
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(4 points) For a physics project, Miro and Alex had to graph and analyze an example of simple harmonic motion. Alex swung on a swing, and Miro used a motion detector to measure Alex's height above the ground every second, as she swung back and forth. The following table gives the height of the swing over time. Time (s) Height of4 swing (em 189 87 135 173 74 168 142 83 Use sinusoidal regression to determine the equation...
Learning Goal: To learn to apply the concept ofcurrent density and microscopic Ohm's law.A "gauge 8" jumper cable has a diameter of 0.326 centimeters. Thecable carries a currentof 30.0 amperes. The electric fieldin the cable is 0.062 newtons per coulomb.What is the material of the cable?