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taking the earth to be uniform sphere of radius 6400km , calculate the total energy needed to raise a satellite of mass 1000kg to a height of 600km above the ground and to set it into circular orbit at that altitudeā
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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg ā¢ what must the total momentum of the system be after the train cars collide? kg ā¢
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Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
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Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaĻv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and Ļ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and Ļ = 1.2 kg/m3.
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During the past 150 years in the united states, how did energy consumption compare to population growth
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taking the earth to be uniform sphere of radius 6400km , calculate the total energy needed to raise...
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