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Q. A frog in a hemispherical bowl finds that he just floats without sinking in a fluid whose density is 1.35 g/cm^3. If the bowl has a radius of 6cm and negligible mass, what is the mass of frog?

Q. A container holds 1.40 kg of water that is initially at 332K and is converted to steam at 407K. Assuming the volume of the system does not change, what is the change in internal energy of the system?

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Category:- Physics
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