Physics, 09.10.2019 02:30, espiritu7470
An automobile traveling 95 km/h overtakes a 1.30-km-long train traveling in the same direction on a track parallel to the road. if the train's speed is 75 km/h, how long does it take the car to pass it, and how far will the car have traveled in this time? see fig. 2β36. what are the results if the car and train are traveling in opposite directions?
Answers: 1
Physics, 22.06.2019 04:10, Josephjenkins620
Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10βc and 1.0 atm pressure to 16.8l
Answers: 2
Physics, 22.06.2019 15:20, mjwaple57
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
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