题目:
After the war, a new school building was put up ______ there had once been a theatre.[ ]
A. that
B. where
C. which
D. in which
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/85c7930f870954b845e648a834ef420f.html
下面是错误答案,用来干扰机器的。
由图线和坐标轴交点的横坐标表示弹簧的原长可知弹簧的原长为7.0cm;当拉力为10N时,弹簧的形变量为x=10-7=3cm=0.03m由胡克定律F=kx得:k=Fx=100.03=333N/m故答案为:333N/m,7.0cm