Electricity and magnetism - Nice 3D sum.....

1

Siddharth ·2008-11-26 02:49:00

Let the frictional force be f...

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Sarath George ·2008-11-26 03:38:22

is the ans is
v=(2L/m(mg(sin@-ucos@)+BIL(cos@+usin@)))^1/2

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Rohan Ghosh ·2008-11-26 06:11:54

is it solid or hollow?

any way if it is solid =

v= âˆš[(4H/3sinÎ¸)*(gsinÎ¸+(ILBcosÎ¸/m))]

if it is hollow =

v=âˆš[(H/sinÎ¸)*(gsinÎ¸+(ILBcosÎ¸/m))]

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Siddharth ·2008-11-27 03:49:18

OOPS.. The radius of the cylinder is R

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Rohan Ghosh ·2008-11-27 03:54:41

radius is not reqd

i just want to know whwther it is hollow or solid

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Siddharth ·2008-11-27 03:56:06

u were very very close Rohan..

Answer is âˆš[4gsinÎ¸/3 + 2ilbcosÎ¸/3][H/sinÎ¸]

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Rohan Ghosh ·2008-11-27 03:57:46

r u sure that is the answer

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Siddharth ·2008-11-27 04:06:29

mostly bro.. I have done it twice.. i might be wrong too.. but i think it was worth a question....]
u might be right too bro... I must accept that ur really good at physics...

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Rohan Ghosh ·2008-11-27 04:09:55

where is m in ur answer there should be m otherwise dimensionally it is not correct

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Siddharth ·2008-11-27 04:23:05

there is an m below 2ilbsinÎ¸

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Rohan Ghosh ·2008-11-27 04:25:37

i think 2ilBcosÎ¸

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Siddharth ·2008-11-27 04:29:36

OOPS again... Well yes
Below 2ilbcosÎ¸
LOL

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Nice 3D sum.....

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