Physics, 10.07.2019 21:20 bvargas786p7aa8y
Show that, under an infinitesimal change of coordinates ха — х'а %3d х" + & x"(х), ja the transformed metric satisfies gls (x) — 9aь(х) %3d— в(v, х, + v, x) to first order in
Answers: 3
Physics, 21.06.2019 20:30
Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.
Answers: 2
Physics, 21.06.2019 20:30
What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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Physics, 21.06.2019 22:30
What is the earliest point in the universe that we can observe? why can’t we see back further than this?
Answers: 2
Physics, 23.06.2019 07:00
A55-kg pilot flies a jet trainer in a half vertical loop of 1200-m radius so that the speed of the trainer decreases at a constant rate. knowing that the plane has a speed of 550 km/h at point a, and the pilot experiences weightlessness at point c (i.e., the normal force from the seat bottom is zero), determine (a) the deceleration of the plane, (b) the force exerted on her by the seat of the trainer when the trainer is at point b.
Answers: 2
Show that, under an infinitesimal change of coordinates ха — х'а %3d х" + & x"(х), ja the transf...
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