题目

英语翻译
A 60.0 kg astronaut is on a space walk when the tether line to the shuttle breaks.The astronaut is able to throw a 11.0 kg oxygen tank in a direction away from the shuttle with a speed of 10.6 m/s,propelling the astronaut back to the shuttle.Assuming that the astronaut starts from rest,find the final speed of the astronaut after throwing the tank.Answer in units of m/s

提问时间：2020-11-09

答案

一个60.0千克的宇航员是在太空行走时,系在飞船上的绳断了.宇航员能够以10.6米/秒的速度向远离飞船的方向抛出一个11.0千克的氧气罐,推动航天员回到飞船.假设宇航员从静止开始,求宇航员扔出氧气罐后的最终速度.答案以m / s为单位.