Physics, 29.08.2019 19:30 wendelljo61
Aboat displaces a volume v of water as it floats on a fresh-water lake. when the boat moves into the ocean, what volume of salt water will it displace? (the density of fresh water is 1.0 kg/l, and the density of salt water is 1.02 kg/l)
a) 1.02 v
b) 0.98 v
c) v (the same volume)
d) 1.04 v
Answers: 1
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Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?
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Aboat displaces a volume v of water as it floats on a fresh-water lake. when the boat moves into the...
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