Physics, 30.01.2020 17:03 live4dramaoy0yf9

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Physics, 22.06.2019 07:00, hdjsjfjruejchhehd

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

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Physics, 22.06.2019 10:30, gyexisromero10

Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.

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Physics, 22.06.2019 13:10, pearlvldz

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

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Physics, 22.06.2019 14:00, lee9724

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

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