Physics, 20.03.2020 10:06 angelb2472
A record is dropped vertically onto a freely rotating (undriven) turntable. Frictional forces act to bring the record and turntable to a common angular speed. If the rotational inertia of the record is 0.61 times that of the turntable, what percentage of the initial kinetic energy is lost
Answers: 2
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This is the number of complete movements of a wave per second.
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Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?
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A record is dropped vertically onto a freely rotating (undriven) turntable. Frictional forces act to...
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