You pull down on a rope to raise a flag on a flag pole which describes why the rope and the flag pole act as a machine a-they change the direction of the forces b-they increase the distance over which the force acts c- they decrease the distance over which the force acts
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A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
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You pull down on a rope to raise a flag on a flag pole which describes why the rope and the flag pol...
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