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[" 3) A wire "2m" in length suspended ve...

[" 3) A wire "2m" in length suspended vertically stretches "],[" by "10mm" when mass of "10kg" is attached to the "],[" lower end.The elastic potential energy gain by the "],[" wire is (take "g=10m/s^(2)" ) "],[[" (1) "0.5J," (2) "5J],[" (3) "50J," (4) "500J]]

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