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Two disks have equal masses, m, and radii, R. Their moments of inertia are each .5mR^2. The upper disk can rotate freely around a horizontal axis through its center, but is attached to a surface, so that it doesn't move up or down. A rope is wrapped around both disks, and the lower one is permitted to fall. Find:
(a) the acceleration of the center of mass of the lower disk,
(b) the tension in the rope, and
(c) the angular acceleration of each disk around its center of mass.
A horizontal light ray is incident on a crown glass prism as shown in the figure below where ? = 42.5°. Find the angle of deviation ? of the ray-the angle
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction, Find the direction of the third force acting on the object
An electron acquires 5.95×10?16J of kinetic energy when it is accelerated by an electric field from plate A to plate B
Find out the magnetic induction at a point
You are driving east on 8th Street (Tamiami Trail) at a speed of 32. In the rearview mirror, What is the frequency of the siren
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. how deep is the submarine
Show that the horizontal resultant of these two forces on the lamp is zero. Work out the weight of the lamp.
A sports car crosses the bottom of a valley with a radius of curvature equal to 80 {rm m}. At the very bottom, the normal force on the driver is twice his weight. Evaluate at what speed is the car traveling?
A ladder base is 6m away from a house, and the fully extended ladder is 10m long when it leans against the house
A 44 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.40 x10^5 N·m2/C. What is the magnitude of the electric field.
An astronaut who is repairing the outside of her spaceship accidently pushes away a 90.5-cm-long steel rod, What is the magnitude of the EMF, in millivolts, induced between the ends of the rod
A cube with a side of 25.00 cm is immersed in a fluid. Knowing that the pressure at the top surface of the box is 109.4 kPa, find the density of the fluid
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