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A man travles 7 km in 2 hours and 2km in 1 hours find the average speed and the average velocity
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Most short-period comets do not have randomly oriented orbits because
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An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)
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2) why do satelites not fall while revolving around the earth?
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A man travles 7 km in 2 hours and 2km in 1 hours find the average speed and the average velocity...
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