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There are two thermal reservoirs: the hot reservoir is at 1200 K and the cold reservoir is at 600 K. If you wanted to transfer 100 kJ from on reservoir to the other, what would the change in entropy of the two reservoirs be?
approximate a boeing 777 aircraft as a system with a fixed mass of 200000 kg. the plane initially cruises at 270 ms at
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as the hollow steel g 77 gpa shaft shown rotates at 180 rpm a stroboscopic measurement indicates that the angle of
that makes p1 and p2 both equal to atmospheric pressure. the flow rate in the tank and the tube are proportional to the
a crate containing 40 bricks each of mass 1.3kg is placed on a storage framework as shown.a calculate the reaction
a hockey player strikes the 0.25 kg puck with an impulse force given by ft 100sin50t n for the duration of 0.04pi
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
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