Physics, 21.02.2020 18:52 joleiswan9919
A floating ice block is pushed through a displacement images = (15 m)images β (12 m)images along a straight embankment by rushing water, which exerts a force images = (210 N)images β (150 N)images on the block. How much work does the force do on the block during the displacement?
Answers: 1
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Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?
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Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)
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Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(mβ
k), and the styrofoam has k= 0.010 w/(mβ
k). the interior surface temperature is 19.0 βc , and the exterior surface temperature is -15.0 βc . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 15:30
At 20βc, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12Γ10β6 kβ1 and23Γ10β6 kβ1 respectively.
Answers: 1
A floating ice block is pushed through a displacement images = (15 m)images β (12 m)images along a s...
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