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A space station shaped like a giant wheel has a radius 103 m and a moment of inertia of 4.96 108 kg · m2. A crew of 150 lives on the rim, and the station is rotating so that the crew experiences an apparent acceleration of 1g. When 100 people move to the center of the station for a union meeting, the angular speed changes. What acceleration is experienced by the managers remaining at the rim? Assume that the average mass of each inhabitant is 65.0 kg.
An electron remains in an excited state of an atom for typically 10-8 s. What is the minimum uncertainty in the energy of the state
the girl(mass 40kg) is pulling the sled(mass 10Kg) on the frictionless ice. what is the acceleration of the girl
A 30.0 g goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 0.0489 m, What is the maximum speed of the goldfinch
A 120.kg refrigerator is at rest on a kitchen floor ( mu of s= 0.43 and mu of K= 0.27). How much force is needed to move the refrigerator at a constant speed of 5.41 m/s
You have 3.0 moles of helium gas initially at a temperature of 350 K, and a pressure of 0.20 x Patm, How much heat flows into the gas
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.60 m/s2. What angle does the ramp make with respect to the horizontal
If you did an experiment and measured g to be 9.3 m/s2, and the accepted value is 9.81 m/s2, what was your percent error
By doing a nuclear diffraction experiement, you measure the de Broglie wavelength of a proton to be 9.48 fm. evaluate the speed of the proton
Concept Simulation 11.1 reviews the concept that plays the central role in this problem. Find the average blood speed as a constriction in the artery if the constriction reduces the radius by a factor of 4
Water has a mass per mole of 18g/mol, and each water molecule (H2O) has 10 electrons.
A square panel with sides of length 8 inches is 1 inch thick and has a thermal conductivity of 0.53 W K?1 m?1. find the rate of heat transfer through the thickness of the panel
q1. a thin layer of magnesium fluoride n 1.38 is used to coat a flint-glass lens n 1.61. what minimum thickness must
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