Answers: 2
Physics, 21.06.2019 17:00
Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?
Answers: 1
Physics, 21.06.2019 18:20
What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
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Physics, 22.06.2019 06:00
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
Answers: 1
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
How are the types of energy in the electromagnetic spectrum defined?...
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Computers and Technology, 14.09.2019 12:10
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Computers and Technology, 14.09.2019 12:10
Computers and Technology, 14.09.2019 12:10
Computers and Technology, 14.09.2019 12:10
Computers and Technology, 14.09.2019 12:10
Computers and Technology, 14.09.2019 12:10
Computers and Technology, 14.09.2019 12:10
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Computers and Technology, 14.09.2019 12:20