Physics, 21.09.2019 12:00 bmr12

Which rock was subjected to intense heat and pressure but did not solidify from magma?

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Physics, 21.06.2019 19:40, 20170020

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

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Physics, 21.06.2019 21:30, canyonrico05

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

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Physics, 22.06.2019 08:00, chuchi24

What is the rate of change in a objects position?

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Physics, 22.06.2019 11:10, axxpjr12

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.