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1) 3 aluminium rods of equal length form an equilateral triangle ABC. Taking O(midpoint of BC) as the origin .Find increase in Y-cordinate of center of mass per unit change in temperature of system. Assume length of each rod is 2m =4 [2 ] 3 * 10 -6 [ans:4 * 10 -6 ] 2)shell of space station is a blackened sphere in which the temperature T=500K is maintained due to operation of appliances of the staion. Find the temperature of the shell if the station is enveloped by a thin spherical black screen of nearly the same radius.[ans:500* [4 ] 2=600K]


1) 3 aluminium rods of equal length form an equilateral triangle ABC.
Taking O(midpoint of BC) as the origin .Find increase in Y-cordinate of center of mass per unit change in temperature of system. Assume length of each rod is 2m =4[2 ] 3 * 10-6     [ans:4 * 10-6  ]

2)shell of space station is a blackened sphere in which the temperature T=500K
is maintained due to operation of appliances of the staion. Find the temperature of the shell if the station is enveloped by a thin spherical black screen of nearly the same radius.[ans:500*[4 ] 2=600K]


Grade:11

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