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The ropes in the figure are each wrapped around a cylinder, and the two cylinders are fastened together. The smaller cylinder has a diameter of 10cm and a mass of 3.5kg ; the larger cylinder has a diameter of 20cm and a mass of 20kg. What is the angular acceleration of the cylinders? Assume that the cylinders turn on a frictionless axle.
The total kinetic energy in one mole of an ideal gas is 4,000 J. If the gas is nitrogen, what is the root mean square velocity of an individual particle in the ideal gas
A series ac circuit contains a 330ohm resistor, a 13.0mH inductor, a 2.50microF capacitor, Find the average power delivered to the entire circuit
A spring of force constant k=2.5*10^2 N/m is suspended form a rigid support. An object o mass 1.00 kg is attached to the uns How far below the starting point is equilibrium position for the object.
In an amusement park ride called The Roundup, passengers stand inside a 16.0m -diameter rotating ring. how much force does the ring push on her at the top of the ride
Spaceship A and spaceship B are racing toward an airless moon at speeds of 0.15c and 0.85c, respectively. What is the speed of the pulse received from spaceship A
In a TV-show, an inexperienced doctor touches the electrodes of a defibrillator and gets thrown across the room, what is the maximum height above ground he could reach
A student sits on a rotating stool holding two 2.0-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
A 0.3 kg apple falls from rest through a height of 40 cm onto a flat surface. Upon impact, the apple comes to rest in 0.1 s, What is the average pressure exerted on the apple
A parallel plate capacitor has plates of area 2.0x10^-3 m^2 and a plate separation of 1.0x10^-4 m. Determine the capacitance of this system if air fills the volume between the plates.
A dialectric constant of 3 is inserted into a parallel capacitor, filling one-half of the volume as shown in the figure. If the capacitance of the capacitor without the dialectric is C,
Unpolarized light with an average intensity of 750.0W/m2 enters a polarizer with a vertical transmissionaxis. What is the orientation angle of the second polarizer relative to the first one
Two 9.0 cm--diameter metal plates are 1.2 cm apart are charged to 12.5 nC . They are suddenly connected together by a 0.218mm, What is the maximum current in the wire
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