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Physics, 22.06.2019 02:30
Which of the following are properties of mechanical waves? check all that apply â•ď¸Ź particles of the medium move back and fourth, but do not move with the wave. â•ď¸Ź the particles of the medium always move parallel to the wave motion. â•ď¸Ź wave motion begins with a disturbance in the medium. â•ď¸Ź waves transport energy from a source outward, away from the source.
Answers: 2
Physics, 22.06.2019 05:30
Blank liquids and gases exert a buoyant force on objects placed in them
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Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
An electric wire has burned through and fallen on top of the clothes dryer. If You are careful not t...
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