An opened rectangular tank measurin

An opened rectangular tank measuring 80cm by 25cm by 50cm contained a solid metal cylinder of volume 21000 cm³. The metal cylinder rests with its curved surface on the base of the tank as shown in Figure I. If 39000 cm³ of water was poured into the tank at a rate of 65cm³/s

(a) how long does it take for all the water to be poured into the container?

結果 (中文) 1:

打开的矩形罐，长 80 厘米，25 厘米乘 50 厘米载卷 21000 cm³ 固体金属圆筒。金属缸由其弯曲的表面，如图所示的坦克的基础上。如果 39000 cm³ 的水被倒进罐 65 cm³/s 的速度(所有的水注入容器采取 a) 多长时间?

結果 (中文) 3:

开矩形槽80cm 50cm的25cm的含量21000厘米³固体金属圆筒。金属筒在其曲面在坦克基地如图如果39000厘米³水倒入罐的速度在65cm³/

（一）多长时间所有的水被倒进容器？