Physics, 31.01.2020 18:52 tobyfoerst
Which three characteristics describe the energy of a wave?
a. frequency, the crest, and the trough
b. wavelength, amplitude, and frequency
c. speed, amplitude, and medium
d. frequency, wavelength, and medium
Answers: 2
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Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
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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?
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Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal
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The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?
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Which three characteristics describe the energy of a wave?
a. frequency, the crest, and the t...
a. frequency, the crest, and the t...
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