Physics, 12.09.2019 04:30 mohayon2020
Arectangular plate is supported by three cables as shown. knowing that the tension in cable ab is 408 n, determine the components of the force exerted on the plate at
b.
Answers: 3
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Which of the following represents an upright image? a. -do b. +m c. -m d. +do
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Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
Answers: 1
Physics, 23.06.2019 00:30
Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
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Arectangular plate is supported by three cables as shown. knowing that the tension in cable ab is 40...
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