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量筒是测量物体体积的基本工具,但在某些情况下,量筒还有其它的妙用·一、测数目例1一盒大头针约有几百个,利用量筒能很快地知道它的数目吗?如果能,请说出你的办法来·方法:(1)在量筒内注入适量的水,读出水的体积V1;(2)将50个大头针放入量筒内,使之浸没,读出水面到达的刻度值V2
The graduated cylinder is the basic tool for measuring the volume of an object, but in some cases, the graduated cylinder has other magical uses. One, measuring the number of cases Example 1 A box of pins is about a few hundred. Is it easy to know the number of cylinders using a graduated cylinder? If so, please state your methods: (1) Inject proper amount of water into the graduated cylinder and read out the volume V1 of the water; (2) Put 50 pins into the cylinder to make it submerge and read the water surface. Reached scale value V2