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Artificial gravity is a must for any space station if humans are to live there for any extended length of time. Without artificial gravity, human growth is stunted and biological functions break down. An effective way to create artificial gravity is through the use of a rotating enclosed cylinder, as shown in the figure. Humans walk on the inside edge of the cylinder, which is sufficiently large (diameter of 3035 meters) that its curvature is not readably noticeable to the inhabitants. (The space station in the figure is not drawn to the scale of the human.) Once the space station is rotating at the necessary speed, how many minutes would it take the space station to make one revolution?
A satellite is in elliptical orbit with a period of 6.12 x 104 s about a planet of mass 8.14 x 1024 kg. What is its angular speed at apocenter
A car travelling 80 km/h slows down at a constant 0.50 m/s^2 just by "letting up on the gas." Compute the distance the car coasts before it stops in meters.
Barometric pressure in the eye of a hurricane is 0.91atm (27.2 in of mercury). How does the level of the ocean surface under the eye compare with the level under the distant fair-weather region where the pressure is 1.0atm.
You stand on a frictionless platform that is rotating at anangular speed of 1.2 rev/s. Your arms are outstretched, and you hold a heavyweight in each hand. What is the resulting angular speed of the platform
A capacitor is charged with a 12.0V battery and is then connected to a 2.65 H inductor (at t=0sec) to form an oscillator with 12.0 Hz frequency.
A bullet of mass .004 kg is fired horizontally into a wooden block of mass 1.3 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.2. The bullet remains embedded in the block, which is observed to..
Lightning can be studied with a Van de Graaff generator, which consists of a spherical dome on which charge is continuously deposited by a moving belt, What is the maximum potential of the dome
A 6.4 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, What is the volume rate of flow
Assume that water flowing through a pipe with a circular cross section flows most rapidly at the center of the pipe and least rapidly near the pipe walls. find the speed of the water at the center of the pipe
The plates of a parallel-plate capacitor in vacuum are 25 micrometer apart and 88 square cm in area, Calculate the charge on each plate, the capacitance and the energy density
A wedge of air is formed between two glass plates that are 9.0 cm long, with one edge touching, How far apart are the maxima for the reflected light with ? = 665 nm
In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over three Ferris wheels and into a net, If he reached maximum height over the middle wheel, by how much did he clear it
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