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A Steel Wire,3

Question 6

Multiple Choice

A steel wire,3.2 m long,has a diameter of 1.2 mm.The wire stretches 1.6 mm when it bears a load.Young's modulus for steel is 2.0 x 1011 n/m2.The mass of the load is closest to:


A) 12 kg
B) 16 kg
C) 20 kg
D) 24 kg
E) 28 kg

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