Contact us
Choose a category below so we can get back to you as quickly as possible.
銅球完全浸沒后所受到的浮力F浮=ρgV排=1000kg/m3×9.8N/kg×0.5×10-3m3=4.9N>4.5N,所以銅球浸沒在水中放手后,上浮,最後漂浮在水面上,浮力等於自身的重力為4.5N.故答案為:4.5.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.