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36. If a load of 9 kg is suspended on a wire, the increase in length is 4.5 mm. The force constant of the wire is

(a) 0.49×10⁴ N/m (b) 1.96×10⁴ N/m

(c) 4.9×10⁴ N/m (d) 0.196×10⁴ N/m

Answer-b

PrevPreviousThe escape velocity of an object on a planet whose g value is 9 times on earth and whose radius is 4 times that of earth in km/s is

NextThe escape velocity for the earth is 11.2 km/sec. The mass of another planet is 100 times that of the earth and its radius is 4 times that of the earth. The escape velocity for this planet will beNext

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