Physics, 27.11.2020 02:40, Tyrant4life
A surveyor is using a magnetic compass 6.1 m below a power line in which there is a steady current of 100 A.
(a) What is the magnetic field at the site of the compass due to the power line?
(b) Will this field interfere seriously with the compass reading? The horizontal component of Earth's magnetic field at the site is 20 mT.
Answers: 2
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Physics, 22.06.2019 16:30, lunarwoo
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
A surveyor is using a magnetic compass 6.1 m below a power line in which there is a steady current o...
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