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A space station shaped like a giant wheel has a radius of 100 meter and a moment of inertia of 5.00 x 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 1 g. When 100 persons move to the center of the station for a union meeting, the angular speed changes. Determine what apparent acceleration is experienced by the managers remaining at the rim? Suppose the average mass of a crew member is 65.0 kilogram.
A nonconducting thin layer carries charge with a uniform density of 8.40 µC/cm2. (a) What is the electric field 3.80 cm in front of the wall if 3.80 cm is small compared with the dimensions of the wall? magnitude and direction?
A lead ball is dropped into a lake from the diving board 30 m above the water. After entering the water, it sinks to the bottom with the constant velocity equal to velocity with which it hit the water. The ball reaches the bottom 10 s after it is ..
a water heater consisting of a metal coil that is connected across the terminals of a 18-v power supply is able to heat
a diffraction grating that has 2000 slits per centimeter is used to analyze the spectrum of mercury.a find the angular
The force stretching the D string on a certain guitar is 6400N. The string's linear mass density is 0.01kg/m. What is the speed of waves on the string?
A system consisting of two positive particles is altered by anoutside force so that its potential energy decreases by52.3 J. There is no change in kinetic energy between theinitial and final states of the system. (a) What is the work doneby the ou..
Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon
The owner of a van installs a rear-window lens that has a focallength of -0.330 m. When the owner looks out through the lens at anobject located directly behind the van, the object appears to be0.200 m from the back of the van, and appears to be 0..
A simple harmonic oscillator has an amplitude of 5cm, a spring constant of 5.0N/m, and a maximum speed of 10 m/s. What is the speed when it reaches half of the amplitude
The sound intensity level of a certain sound source is measured by two listeners located at different positions along a line from the source. What is the power output of the source
As measured in Earth's frame of reference, two planets are4.25×105 km apart. How fast is the ship traveling in m/s
If you charge a pocket comb by rubbing it with a silk scarf, how can you determine if the comb is positively or negatively charged.
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