Question
Question: A wire 1 m long has cross –section 1 mm<sup>2</sup> and Y = 1.2 × 10<sup>11</sup> Pa. Find the work ...
A wire 1 m long has cross –section 1 mm2 and Y = 1.2 × 1011 Pa. Find the work done in stretching it by 2 mm.
A
2.4 J
B
0.24 J
C
0.024 J
D
1.2 J
Answer
0.24 J
Explanation
Solution
W = 
.