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Q. A hemisphere and a solid cone have a common base.The centre of mass of the common structure coincides with the centre of the common base.If R is the radius of hemisphere and h is the height of the cone,then what is the value of h/R ?

Q. A hemisphere and a solid cone have a common base.The centre of mass of the common structure coincides with the centre of the common base.If R is the radius of hemisphere and h is the height of the cone,then


what is the value of h/R ?

Grade:11

4 Answers

Aman Bansal
592 Points
10 years ago

dear raj,

com of cone= h/4 from base

and com of hemisphere = 5r/8 from base

since com of both of them coincides therefore

h/r =  5/2


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AMAN BANSAL

Ankita
19 Points
2 years ago
πŸ˜ƒ..Was it real Aman Bansal #sir..
Topper of JEE Advance 2016??
7 years agoπŸ™„πŸ˜“πŸ˜§πŸ˜§πŸ˜§πŸ˜§ he was in8th /9th std. COM kese padha..nahi....?😡😡
Β 
Ankita
19 Points
2 years ago
7 saal pehle kese IITian ban gae?.
He might be someone else πŸ™ƒ.
Got muddle headed.
Its ok............
Ankita
19 Points
2 years ago
By the way the answer is √3..
I do know a bit bout bhe solution but not exactly .whatever ...the answercs √3... manipulate it yourselfπŸ˜ƒπŸ˜†

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