Momentum and CollisionHard
Question
A uniform metallic spherical shell is suspended from ceiling. it has two holes A ans B at top and bottom respective. Which of the following is / are true.
Options
A.If B is closed and sand is poured from A. centre of mass first rise and then falls
B.If shell is completely filled with sand and B is opened then centre of mass falls initially
C.If shell is slightly filled with sand and B is opened, then centre of mass falls.
D.None of these
Solution
Initial when the shell is empty the C.M lies at its genetic centre.Also when shell is filled with sand CM lies at its geometric centre.
Create a free account to view solution
View Solution FreeMore Momentum and Collision Questions
If a water drop is kept between two glass plates, then its shape is : -...Two identical carts constrained to move on a straight line, on which sit two twins of same mass, are moving with same ve...Three objects A, B and C are kept in a straight line on a smooth horizontal surface as shown in figure. The object A is ...A sample of metal weights 210 grams in air, 180 grams in water and 120 grams in an unknown liquid. Then : -...A system of N particles is free from any external forces.(i) Which of the following is true for the magnitude of the tot...