Physics, 01.04.2021 19:30 alexandriabritt1683
A compass contains a magnet. The magnet responds to Earth's magnetic field. The magnet's north pole points north from
most locations on Earth. Based on what you learned about magnetic force, make three predictions, Predict the
approximate size of Earth's magnetic field and the approximate location of its North and South Poles. Give a reason for
each prediction.
Answers: 2
Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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Physics, 22.06.2019 04:30
The pressure increases by 1.0 x 104 n/m^2 for every meter of depth beneath the surface of the ocean. at what depth does the volume of a pyrex (bulk modulus 2.6 x 1010n/m^2) glass cube, 9.8 x 10^−2m on an edge at the ocean's surface, decrease by 7.5 x 10−10m^3? explain the formula beyond this point: p=1.0x10^4, b=2.6x10^10, l=9.8x10^−2, delta v=7.5x10^−10. at some point l needs to be cubed. why p is divided by delta v?
Answers: 2
Physics, 22.06.2019 06:30
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
Answers: 1
A compass contains a magnet. The magnet responds to Earth's magnetic field. The magnet's north pole...
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