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Two wheels of mass m and moment of inertia I are connected by a massless axle of length L. The system rests on a frictionless surface and the wheels rotate without frequency ω around the axle. Additionally, the whole system rotates with frequency Ω around the vertical axis through the center of the axle. What is the largest value of Ω for which both wheels stay on the ground?
How much force pulling along the incline is needed to hold in place a 14.0 kg mass on an incline that makes an angle of 22.0 degrees with the horizontal
A 50.0 gram chunk of ice is taken from a freezer at -20 C, What is the minimum amount of stove energy required
Two gerbils run in place with a linear speed of 0.55 on an exercise wheel that is shaped like a hoop. Find the angular momentum of the system
If a simple pendulum of length 2.09 meters is subjcted to a restoring force of 3 Newtons when displaced .15546 meters from equilibrium, what is the mass of the pendulum
Find out the maximum height that the rocket reaches (neglecting air resistance) when the fuel is exhausted.
Two small insulating spheres with radius 5.50×10?2m are separated by a large center-to-center distance of 0.555m, What is the direction of the electric field at this point
A stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
Two narrow slits 62um apart are illuminated with light of wavelength 480nm . What is an angle of the bright fringe in degrees.
A block of wood has a mass of 3.87 kg and a density of 584 kg/m3. It is to be loaded with lead so that it will float in water with 0.84 of its volume immersed. What mass of lead is needed if the lead is on top of the wood
Three point charges, -6.2 x 10-9 C, -8.7 x10-9 C, and +7.9 x 10-9 C, are fixed atdifferent positions on a circle. The total electric potential atthe center of the circle is -1900 V. What is the radius of the circle?
You combine two thin lenses by placing them in contact so that their axes coincide, Find the focal length of this compound lens
A pitcher throws a ball to the catcher at a speed of 100 mi/h(45 m/s). If the velocity of the ball is horizontal when itleaves the pitcher's hand, how far (vertically) will it fallon the way to the catcher? The distance from the pitcher to catcheris ..
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