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Q. A wooden raft has a mass of 59 kg. When empty it floats in water (density 1000 kg/m3) with 59 percent of its volume submerged. What mass of sand can be put on raft without it sinking?

Q. A charge 335e is uniformly distributed along a circular arc of radius 6.70 cm that subtends an angle of 66o. What is the linear charge density along the arc?

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Category:- Physics
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