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HomePhysics5. Three weights W, 2W and 3W are connected to identical springs suspended from a rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that

5. Three weights W, 2W and 3W are connected to identical springs suspended from a rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that

(a)      3W will be farthest

(b)  W will be farthest

(c)   All will be at the same distance

(d)  2W will be farthest

Ans. c

(6)

5/5 - (3 votes)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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