Current energy and power conductivity momentum

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Unformatted text preview: s in Circuits Resistivity: ∑ ∑ Kinematics (linear/rotational) ∑ ∑ Forces and Torque ∑⃗ |⃗ | ⁄ Time Constant: RC Current: Energy and Power ⃗ ⃗ Conductivity: ⃗ ⃗ ⃗ ∫ ⃗ Momentum (linear/angular) ⃗ ⃗ ⃗ ⃗⃗ Constant angular motion: Constants/Math: ⁄ ⁄ ⃗ | ⃗| ( ) Physics 1202W.100 – Group Quiz #4 Name: ID: December 6th, 2012 TA (circle 1): Michael Janas Cole Grasse Barun Dhar Tim Peterson Yusuf Buyukdag Group Problem (25 pts) You are evaluating safety systems to reduce industrial injuries by modeling them in the laboratory. One model is a conducting bar that slides without friction on two parallel conducting rails running down a ramp. The bar is perpendicular to the rails and in constant contact with them. At the bottom of the ramp, the two rails are connected together by another conductor. The bar slides down the rails through a uniform magnetic field which is parallel to the normal of the ramp. What is the constant maximum velocity of the bar that is reached in the magnetic field as a function of the mass of the bar, the strength of the magnetic field, the angle of the ramp from the horizontal, the length of the bar which is the same as the distance between the tracks, and the resistance of the bar? All of the other conductors in the system have a much smaller resistance than the bar....
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This test prep was uploaded on 03/13/2014 for the course PHYS 1201W taught by Professor Kennethheller during the Fall '13 term at Minnesota.

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