Physics, 25.09.2020 23:01, anthonysquadjohnson

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Physics, 22.06.2019 12:00, Emieloy2959

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

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Physics, 22.06.2019 12:50, starr3971

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

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Physics, 22.06.2019 14:30, gus2006santos

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

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