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Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?
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Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
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Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
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Physics, 22.06.2019 08:00
If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles
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an object of 1 cm produce areal image of 1.5.cm of high when placed at adistance of 15cm from concav...
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