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I. A stone ofkg mass is attached to one end of a 0.8 m long0.5aluminium wire of 0.7 mm diameter and suspendedvertically. The stone is now rotated in a horizontal plane at arate such that the wire makes an angle of 85° with thevertical. Find the increase in the length of the wire. (Y foraluminium 7x 1 010 N/ m2 ,sin 850-0, 9962 and cos 85%0.0872)a 0.7 mm (.7 mm (c) 1.7 cm (d) 17 cm |
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Answer» wrong answer |
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