Show whether or not the expression
V² = U² sin²d-2gs is dimensionally constant...
Physics, 08.06.2021 19:30 bullockarwen
Show whether or not the expression
V² = U² sin²d-2gs is dimensionally constant
Answers: 2
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Forms of meditation hail from which traditions a ) eastern traditions b ) western traditions c ) eastern and western traditions d ) neither eastern nor western traditions
Answers: 1
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What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.
Answers: 2
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I) a gas contained within a piston-cylinder assembly undergoes two processes, a and b, between the same end states, 1 and 2, where p1 = 10 bar, v1 = 0.1 m3 , u1 = 400 kj and p2 = 1 bar, v2 = 1.0 m3 , u2 = 200 kj: ' process a: process from 1 to 2 during which the pressure-volume relation is pv = constant. ' process b: constant-volume process from state 1 to a pressure of 2 bar, followed by a linear pressure-volume process to state 2. kinetic and potential energy effects can be ignored. for each of the processes a and b, a) sketch the process on a p-v diagram. b) evaluate the work, in kj. c) evaluate the heat transfer, in kj.(ans : qb,12 = -65.0 kj)
Answers: 3
Physics, 23.06.2019 07:20
An object that weighs 75n is pulled on a horizontal surface by a horizontal pull of 50 n to the right. the friction force on this object is 30 n to the left. what is the acceleration of the object?
Answers: 1
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