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Water is drawn from a well in a bucket tied to the end of a rope whose other end wraps around a solid cylinder of mass 50 kg and diameter 25 cm. As this cylinder is turned with a crank, the rope raises the bucket. The mass of a bucket of water is 20 kg. Someone cranks the bucket up and then lets go of the crank, and the bucket of water falls down to the bottom of the well. Without friction or air resistance, what is the angular acceleration of the 50-kg cylinder?
A 547-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius. Find the gravitational force acting on it
A boat crosses a 500 m river. The water run at 5.9527 m/s due east. The boat is able to travel at 5 m/s relative to the water. what is the net displacement along the river bank
A 1,720 Hz pure tone is played on a stereo in an open field. A person stands at a point that is 4 m from one of the speakers, Does the person hear the tone
The filament of an incandescent light bulb is made of tungsten which has a thermal coefficient of resistivity of ? = 4.4 x 10-3K-1, Write an equation for the initial current, I0, that flows through the filament when it is initially turned on
A sine wave is traveling along a string. The time for a particular point to move from maximum displacement to zero is 0.880 s. What is the period?
Suppose there are two point charges, one has a charge of +1.55 * 10-6 coulombs and they are separated by a distance of 2.00 meters. if the force. determine the magnitude of the other charge in coulomb's
Coherent light with wavelength 603 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits.
A cylindrical storage tank has a radius of 1.11 m. When filled to a height of 3.81 m, it holds 15,301 kg of a liquid industrial solvent. What is the density of the solvent
Compute the centripetal acceleration of a point on Earth's equator given earth's 24 H rotation period. Compare your answer with g=9.80 m/s
Red light of wavelength 666.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
Problem 12.30: Singing in the shower. We all sound like great singers in the shower, due to standing waves, What are the wavelengths of the first two overtones for this shower
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
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