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Recent questions tagged telegram-284

(chatquestion)...3. Three uniform thin aluminum rods each of length 2 m form an equilateral triangle PQR as shown in the figure. The mid point of the rod PQ is at the origin of the coordinate system. If the temperature of the system of rods increases by 50°C, the increase in y-coordinate of the centre of mass of the system of the rods is ... mm. of (Coefficient aluminium = 12/3 x 10-6 K-1) of volume expansion %3D P. (a) 0.05 (c) 0.1 (b) 0.8 (d) 0.2

asked Apr 15, 2020 by balaji.thirumalai

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