![](http://static.xuejinqu.com/qimg/337/337e0ace3a6355a62ca06e0731f7684c.png)
(1)把天平放在水平台面上,将游码移到标尺的零刻度线处,发现指针静止时如图甲所示.此时应将平衡螺母向
![](http://static.xuejinqu.com/qimg/a2a/a2a40a3b5e2803781659336981f34675.png)
(2)用天平测出烧杯的质量
![](http://static.xuejinqu.com/qimg/052/052ba69faffceca813988a4b138dc016.png)
(3)取适量酱油倒入烧杯,用天平测烧杯和酱油的总质量,当天平平衡时,放在右盘中的砝码和游码的位置如图乙所示;
(4)然后将烧杯中的酱油全部倒入量筒中,量筒中酱油的体积如图丙所示.请你帮小明同学计算出酱油的密度是
![](http://static.xuejinqu.com/qimg/6a0/6a0f5f1d32c331f5cd75174b329e34fb.png)
![](http://static.xuejinqu.com/qimg/a2a/a2a40a3b5e2803781659336981f34675.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)