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A rotating door is made from four rectangular glass panes, as shown in the figure. The mass of each pane is 55.1 kg. A person pushes on the outer edge of one pane with a force of F = 125 N that is directed perpendicular to the pane. Determine the magnitude of the door's angular acceleration.
A 7.5 F capacitor is charged to 34 V and is then connected across a 11-mH inductor. (a) How much energy is stored in the system? (b) What is the frequency of oscillation of the circuit? (c) What is the maximum current in the circuit?
If a steel ball with half the mass of the steel ball you used in class was used, what would its initial horizontal velocity be
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg, designed to rotate at 30000 rpm. how long will it take for its stored energy to be exhausted
A magnetic field is oriented at an angle of 41degrees to the normal of a rectangular area 4.5cm by 6.3cm. If the magnetic flux through this surface has a magnitude of 4.9×10^?5T*m^2 , what is the strength of the magnetic field?
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 1.00 µH and the capacitor has a value of 1.90 pF. Find the frequency of the radio station
A model train moves along a horizontal circular track with a radius of 0.5 m. Starting from rest, What is the angular acceleration (in rad/s2) of the train
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.00 m. compute the magnitude of the initial acceleration of the third sphere
question1friend of yours travels by you in his fast sports car at a speed of 0.550 c. it is measured in your frame to
A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, What difference in the results was found
A uniform ladder 10.0 m long is leaning against a frictionless wall at an angle of 60.0° above the horizontal. compute the magnitude of the frictional force exerted on the ladder
question 1. plot on a single graph the lennard-jones potential uu using the parameter sets i ai2 ei2 ii g23 623 and iii
A solid, uniform sphere of mass 2.0 kg and radius 1.7 m rolls without slipping down an inclined plane of height 1.7 m. What is the angular velocity of the sphere
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