Physics, 20.08.2020 04:01 netflixacc0107
2. A 15 kg mass fastened to the end of a steel wire of un-
stretched length 0.5 m is whirled in a vertical circle with an
angular velocity of 2 rev/s at the bottom of the circle. The cross
section of the wire is 0.02 cm2. Calculate the elongation of the
wire when the weight is at the lowest point of the path. Steel
has Y. M.= 2.0 x 1011 Pa. [1.66mm]
Answers: 1
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Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
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What are known as the properties of substances that describe a substance et does not change that substances?
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Can a molecule have bond dipoles but not have a molecular dipole?
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2. A 15 kg mass fastened to the end of a steel wire of un-
stretched length 0.5 m is whirled in a v...
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