Multiple Choice
A copper alloy wire of length 2.0 m,cross sectional area 7.1 × 10−6 m2,and Young's modulus 11 × 1010 N/m2,has a 200-kg load hung on it.What is its increase in length? (g = 9.8 m/s2)
A) 0.50 mm
B) 1.0 mm
C) 2.5 mm
D) 5.0 mm
Correct Answer:
Verified
Correct Answer:
Verified
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