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A space station shaped like a giant wheel is locatedfar from anything else in space, and has a radius of 100.0 m. When unoccupied, it has a moment of inertiaI = 5.000 × 108 kg m2. A crew of 150 is living on the rim, and the space station's rotation causes the crew toexperience an apparent "gravity" (in reality, their centripetal acceleration, as seen by an inertial observer) of 1 g.When 100 people move to the center of the station for a union meeting, the angular speed changes. Assume theaverage inertia of each inhabitant is 65 kg. It is also very safe to assume that the average person is very short,compared to 100 m.What apparent "gravity" (centripetal acceleration) is experienced by the managers remaining at the rim?
A solid disk (r=0.20 m, M=0.50 kg) is suspended fro the end of an L=0.30m long rod (m=0.30 kg, cross-sectional area of 2.0 cm^2). WHAT IS THE PENDULUM'S PERIOD FOR SMALL ANGLE OSCILLATIONS
A 550-W space heater is designed for operation inGermany, where household electrical outlets supply 230 V (rms)service. What is the power output of the heater when plugged into a120-V (rms) electrical outlet in a house in the United States? Ignore th..
Find out how far from the center of the earth this location is. The mass of the earth is 5.98x10^24 kg. The mass of the moon is 7.35x10^22kg. The mean distance between the moon and the earth is 3.85x10^8 m
A commuter train passes a passenger platform at a constant speed of 42.9 m/s. The train horn is sounded at its characteristic frequency of 320 Hz. What wavelength is detected by a person on the platform as the train approaches
A solid, frictionless cylindrical pulley with a mass of 3kg and a 0.420 m radius is used to draw water from a well. A 1.50kg bucket is attached to a cord that is wrapped around the pulley. If the bucket starts from rest at the top of the well and ..
A bucket of water with a mass of 2.0 kg is attached to a rope that is wound around a cylinder. What is the acceleration of the bucket
Are there transitions of higher or lower energy that are not seen? How many total transitions are there for hydrogen
A sky diver of mass 53 kg can slow herself to a constant speed of 92 km/h by orienting her body horizontally, looking straight down with arms and legs extended. What is the magnitude of the drag force on the sky diver
A 75 g chunk is heated to 100 Celsius and the dropped into 0.5 Kg of water initially at 22 Celsius. What is the final temperature of the chunk of metal
Two parallel plates, each having area A = 3788.0cm2 are connected to the terminals of a battery of voltage Vb = 6.0 V as shown. What is C the capacitance of this parallel plate capacitor
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false? It can act only on a particle in motion.
A 38.0 kg child swings in a swing supported by two chains, each 3.04m long. The tension in each chain at the lowest point is 429N. Find out the child's speeds at the lowest point.
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