Ahouse has well-insulated walls. it contains a volume of 125 m3 of air at 275 k. (a) consider heating it at constant pressure. calculate the energy required to increase the temperature of this diatomic ideal gas by 1.5°c. kj (b) if this energy could be used to lift an object of mass m through a height of 2.2 m, what is the value of m? kg
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Physics, 21.06.2019 21:00
Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball
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Physics, 22.06.2019 12:10
The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
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Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
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Physics, 22.06.2019 20:30
Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
Answers: 2
Ahouse has well-insulated walls. it contains a volume of 125 m3 of air at 275 k. (a) consider heatin...
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