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A 1.6 kg disk with radius 0.63 m is rotating freely at 55 rad/s around an axis perpendicular to its center. A second disk that is not rotating is dropped onto the first disk so that their centers align, and they stick together. The mass of the second disk is 0.45 kg and its radius is 0.38 m. What is the angular velocity of the two disks combined?
In an experiment with a helium-neon laser which has a wavelength of 632.8 nm you illuminate a single slit that is positioned 0.50 m from a screen. If the width of the single slit is 0.15 mm, what would be the width of the central maximum you would e..
What is the kinetic energy of a 0.5-kg object moving at a constant speed of 2 m/s, A physics-110 student needs 500 W of Power to climb two flights of staris to get to the physics class room in 40 s
An archer's bow is drawn at its midpoint until the tension in the string is 1.07 times the force exerted by the archer. What is the angle between the two halves of the string
A speed skater goes around a turn that has a radius of 36 m. The skater has a speed of 12 m/s and experiences a centripetal force of 461 N
Light shines through a single slit whose width is 5.6 104 m. A diffraction pattern is formed on a flat screen located 4.0 m away. What is the wavelength of the light
Two blocks are resting on a horizontal surface. The blocks are in contact with each other and a horizontal force of300 N is pushing on the left block which is m1 ontom2 which is on the right. What is the acceleration of the masses
The attached video clip shows footage from Skylab, launched in 1973, used during 1973-74, and in orbit until 1979. Determine the speed that he should maintain, in order to feel as if he were running on earth
Katie and Emily are riding on a circular merry-go-round that has a radius of 5 m. Katie is on a horse that is 2.5 m from the center of merry-go-round and Emily is on a tiger that is 4.5 m from the center of the merry-go-round.
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field = 0.3 T . The normal to the loop is parallel to a unit vector Calculate the magnitude of the torque on the loop
three charged particles are fixed to an x axis particle 1 of charge q1 2.1e-8 c is at position x20 cm and particle 2
When a current flows in an aluminum wire of diameter 2.45 mm, the drift speed of the conduction electrons is 1.05 × 10-4 m/s. What is the electron current in the wire
a freezer compartment consists of a cubical cavity that is 2 m on a side. assume the bottom to be perfectly insulated.
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