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Q1. A 2.80 kg rectangular air mattress is 2.00m long, 0.500m wide, and 0.100 m thick. What mass can support in water before sinking?

Q2. A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diameter 0.520m.

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Category:- Physics
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