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The resistivity of silver is 1.59 x 10-8 Ω•m. The length of a silver wire is 35 meter and the radius is 5.80 x 10-4 meter.
a) Evaluate the resistance of the wire?
b) If 0.38 Amp of current flows through the wire, obtain the potential difference between the ends of the wire?
The rocket above has an exhaust gas velocity of 2723 m/s and a burn rate of 5149 kg/s. If it has a mass of 1,000,000 kg what is its initial acceleration to two decimal places?
A skin diver is 2.1m below the surface of a lake. A bird flies overhead 7.2m above the surface of the lake. how far above the diver does it appear to be
A satellite of mass M = 270kg is in circular orbit around the Earth at an altitude equal to the earth's mean radius (6370 km). What is the gravitational force on the satellite
An atom of mass 3.32*10^(-26)kg oscillates in one dimension at a frequency of 10^13Hz, calculate the quantized energy levels
human blood contains plasma platelets and blood cells. to seperate the plasma from other components centrifugation is
That is the sound from the organ bounces back and forth off the church walls many times before the sound inentsity decays away completely. If the reverberation time is 10s and the church has the approximate shape
A 71.9-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a)accelerating upward with an acceleration of 1.92 m/s2,(b) moving upward at a constant speed, and(c) accelerating downward with an acceleration of..
an electron with speed vo 2.61times107ms is traveling parallel to an electric field of magnitude e 1.03 times 104 nc .
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that theearth is a uniform sphere and that its path around the sun is circular.
This technique is capable of detecting magnetic fields as weak as 1.0 10-15 T. Model the neuron as a long wire carrying a current and find out the current it must carry to produce a field of this magnitude at a distance of 4.7 cm from the neuron..
A cell phone transmits at a frequency of 1.28 108 Hz. What is the wavelength of the electromagnetic wave used by this phone
question a student calculates the frequency of a waveform produced by a tuning fork to be 303 hz. if the tuning fork is
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