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Question1

A movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 0.25 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.013×105 Pa. What is pressure in the cylinder?

Question2

Objects with masses of 271 kg and 328 kg are separated by .448m. A 56.1 kg mass is placed midway between them. find out the magnitude of the net gravitational force exerted by the two larger masses on the 56.1 kg mass the value of universal gravitational constant is 6.672 x 10^-11

Question3

A space station shaped like a giant wheel has a radius of 100m and, while empty, a moment of inertia of 5.04E+8kgm^2. A crew of 195 are living on the rim, and station's rotation causes crew to experience an acceleration of 1.00g. 0 as 151 people move to the center of the station for a meeting, an angular speed changes. What acceleration is experienced by people remaining at the rim? Imagine that average mass of each inhabitant is 64.8kg.

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