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A disk of radius 0.2meters and mass 0.25kg is free to rotate without friction about an axis through its center and perpendicular to its face. Attached to the disk are four small pucks of mass=0.10kg each at a distance of 0.15m from the center of the disk, equally spread apart. A string is wrapped around the edges of the disk and has a 0.25kg block attached to the string. The block is released from rest and allowed to fall 0.5m to the ground.
Find the moment of inertia about its axis of rotation and the angular acceleration of the rotating system.
a 336 g oscillator has a speed of 110 cms when its displacement is 2.90 cm and 72.5 cms when its displacement is 6.10
Laser light is shown through a diffraction grating with a line density of 880 lines per mm. What is the wavelength of the laser
Two thermal reservoirs ("hot", TH = 124°C and "cold", TC = 10.0°C) are put into thermal contact by a lead slab. Find the initial rate of heat conduction for each reservoir
A cloud mass moving across the ocean at an altitude of 2000 m encounters a coastal mountain range. As it rises to a height of 3500 m to pass over the mountains, it undergoes an adiabatic expansion.
If you charge a capacitor C1 with a battery V, then disconnect the capacitor and use it to charge 3 capacitors C2-4 connected in series, what is the potential difference across each of the four capacitors?
A train travels due south at 60 m/s. It reverses its direction and travels due north at 60 m/s. What is the change in velocity of the train
A sprinter accelerates from rest to a top speed with anacceleration whose magnitude is 3.60m/s2. After achieving top speed, he runs the remainderof the race without speeding up or slowing down.
A 1.85 kg mass is attached to a light cord that is wrapped around a pulley of radius 2.55 cm, Find the moment of inertia of the pulley
Examine that, for gold, the volume of water displaced will be 51.8 cubic centimeters.
A heavy ball with a weight of 100N (m= 10.2 kg) is hung from the ceiling of a lecture hall on a 4.5-m-long rope. What is the tension in the rope at that point
A ball falls from the top of a building, through the air (air friction is present), to the ground below. How does the kinetic energy (K) just before striking the ground compare to the potential energy (U) at the top of the building? a. K is equal to ..
Angular acceleration and angular displacement of the rotor using the equation of motion in rotational dynamics.
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