Physics, 21.02.2020 01:22 Jaimewillis42
A 250 Hz tuning fork is struck and the intensity at the source is I1 at a distance of one meter from the source. (a) What is the intensity at a distance of 4.00 m from the source? (b) How far from the tuning fork is the intensity a tenth of the intensity at the source?
Answers: 3
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 15:30
The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?
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Physics, 22.06.2019 17:00
How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
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