### Q1 a 40 cm diameter vertical cylinder is sealed at the top

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Q1. A 40 cm diameter vertical cylinder is sealed at the top by a frictionless 22 kg piston. The piston is 79 cm above the bottom while the gas temperature is 315 C. The air above the piston is at 1.20 pressures.

What is the gas pressure inside the cylinder?

Why heights will the piston be if the temperature is lowered to 10 C?

Q2. An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions?

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