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Physics, 22.06.2019 15:20
Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
Physics, 22.06.2019 19:50
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4πε 0 = 8.99 × 109 n · m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to
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Physics, 22.06.2019 22:00
Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
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Physics, 23.06.2019 00:00
Why does a collision with an airbag cause less damage than a collision with a steering wheel
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A vertical wire carries a current straight down. What is the direction of magnetic field to the east...
Mathematics, 30.09.2020 04:01
Mathematics, 30.09.2020 04:01
Mathematics, 30.09.2020 04:01
Mathematics, 30.09.2020 04:01
Mathematics, 30.09.2020 04:01
Mathematics, 30.09.2020 04:01