Jane rides a sled down a slope of angle 0 at constant speed v. Determine
Physics, 01.12.2021 18:10 adriandehoyos1p3hpwc
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Jane rides a sled down a slope of angle 0 at constant speed v. Determine
the coefficient of kinetic friction between the sled and the slope. Neglect
air resistance.
I
(A) u=gsin
(B) u=mgcos
(C) u=tano
(D) urgcose
o
Answers: 2
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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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7)
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Jane rides a sled down a slope of angle 0 at constant speed v. Determine
Jane rides a sled down a slope of angle 0 at constant speed v. Determine
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