本题目来源于试卷: Physics Unit9: Static Equilibrium, Elasticity and Fracture,类别为 通用国际物理
[单选题]
An aluminum wire 2.0 m in lenmy.cwklhsvq9/ ; s+05: g jx3mwd,yldzhwsdz*k-2 hq n8o z0 h)icqv8 )me.c0)bh g6zgth and 2.0 mm in diameter supports a 10.0-kg mass. What is the elongation of the wire? (6hm0qbsh)q d)hw.)v*ehz0 k c ocg8 ni8 zz-2zThe Young's modulus for an aluminum is $7.0 \times 10^{10} \; N/m^2$)
A. $0.11 \; mm$
B. $0.22 \; mm$
C. $0.33 \; mm$
D. $0.89 \; mm$
参考答案: D
本题详细解析:
暂无
|