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A centrifuge whose maximum rotation rate is 11,000 rev/min can be brought to rest in 3.00 s.
(a) What is the average angular acceleration of the centrifuge?
(b) What is the distance that a point on the rim travels during the deceleration time, assuming that the radius of the centrifuge is 8 cm and that the acceleration is uniform?
Two sheets of polarizing material are placed with their transmission axes at right angle to one another. What is the intensity of the transmitted light when the middle sheet is removed
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A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
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White light illuminates an oil film on water. Viewing it directly from above, What is the refractive index of the oil
The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.
A mass m1 = 1 kg rests on top of a mass m2 = 5 kg which is attached to a spring (k = 50 N/m), Determine the maximum amplitude of the motion such that the top mass does not slip
If a 12 V battery is used to charge this capacitor, what is the total charge stored what is the magnitude of the electric field between the plates what is the energy stored on the capacitor
What is the value of g at the location of this satellite. Discover the altitude of the satellite in meters.
A 0.840-kg block oscillates on the end of a spring whose spring constant is k= 42.0 N/m . The mass moves in a fluid which offers a resistive force F=-bv, where b = 0.640 N*s/m. What is the fractional decrease in amplitude per cycle?
A father and a daughter balance a teeter totter
The tape is now wound back into the drum at angular rate. With what speed would the end of the tape move? (Note that our drawing specifies that a positive derivative of implies motion away from the drum. Be careful with your signs. The fact that the ..
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