a concrete sphere of radius ‘R’ has  a cavity  of radius ‘r’ which is packed  with sawdust. The  relative densities of concrete and sawdust are  2.4 and 0.3, respectively. For this sphere to float with  its entire volume submerged under water, what should be the ratio  of mass of  concrete to mass of sawdust?.
 

Dear Student,

  • 142
What are you looking for?