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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.
what is the distance of closest approach of the two particles? assume that the gold nucleus remains stationary and that
Two plastic semicircular rods are arranged into a complete circle with radius 8.5cm. The top half has charge of +15 pC, and the bottom half has charge of -15pC. Determine the magnitude and direction of the electric field at the center of the circl..
How much heat does it take to increase the temperature of 4.50 moles of a diatomic ideal gas through an amount 40 if the gas is held at constant volume? The gas molecules can translate and rotate but not vibrate.
the nucleus of 8be which consists of 4 protons and 4 neutrons is very unstable and spontaneously breaks into two alpha
Evaluate the magnitude of the acceleration of each mass. What percentage of error in would be made if the moment of inertia of the pulley were ignored? Ignore friction in the pulley bearings.
An ant, crazed by the sun on a hot Texas afternoon, darts over an xy plane scratched in the dirt. What are the magnitude and angle (relative to the positive x axis) of the overall displacement
Calculate the horizontal force that must be applied to a 1.00 kg puck to make it accelerate on a horizontal friction-free air table with same acceleration it would have if it were dropped and fell freely.
An iceberg floating in seawater as shown below in Figure, is extremely dangerous because much of the ice is below the surface. What fraction of the iceberg lies below the water level
What is the value of the static friction.
A mass (m=5kg) is attached to a horizontal spring and placed on a frictionless surface. The spring-mass system is compressed, and released. What is the total energy of the spring-mass system
In a Young's double slit experiment, the seperation between the slits is 1.20x10-4m; and the screen is located 3.50 m from the slits. What is the wavelength of the light used in this experiment
A 0.245 kg ball is thrown straight up from 2.20 m above the ground. Calculate the total work done by the force of gravity during that time
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