Center of gravity at the midpoint of the see-saw
What is the torque produced about the fulcrum by a 100.0kg mass resting on a see-saw of length 2.00m at a distance of 0.500m from the center of mass? The mass of the see-saw is 25.0kg and the center of gravity is at the midpoint of the see-saw.
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The density of CO2 is 1.98 g/L at STP. What is the mass of exactly one liter of the gas if the pressure increases by 40mmHG?
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