Recent content by Cosmos

Thanks Robphy:thumbup:...:smile: Well then if i have a spherical body of radius R that rolls on a horizontal surface with linear velocity v and angular velocity ω. Let L1 and L2 be the magnitudes of angular momenta of the body about centre of mass and point of contact respectively.Then is it...

sorry for that brother....:bow: consider a spherical body...forget the 1st comment...

But,sir/mam what I really want to know is whether...When you have been given a spherical body with a radius R (say) then can its radius of gyration be larger than R??o_O

Can any object have moment of inertia greater than that of a hoop?

yes the ka values say that formic acid is more acidic but my reasonings are not able to fit...:oldcry:

argument 1: Due to the presence of the aromatic ring which pulls electrons slightly due to the presence sp2 hybridized carbon atom, decreases the electron density on the carboxylate carbon atom making it more acidic than formic acid which doesn't have such interaction.Thus, benzoic acid is more...

Well...hello brothers and sisters...may I know whether benzoic acid is more acidic or formic acid...because I have two arguments which support don't support each other...:frown::frown:

so sorry sir:bow:

Mod note: Edited post to remove insulting and condescending contents. I know the 'ANSWER' but i don't know the 'SOLUTION'...:cool:...and i do hope for a very good method to get it...:wink:...

yes my boy

No...But it involves a good trick (i think) instead of simply rather foolishly counting...:-p

Mod note: Thread moved from technical math section, so homework template does not appear. A fair coin is tossed 'n' times. Let a(n) denote the number of cases in which no two heads occur consecutively, then what is the value of a(16)?:woot:

when you take out 100! common out...then you are left with (1-101+102 times 101...) which afterwards...don't know man...addition is not the way out as it gives you a very humongous number...

Come on man! i tried ... doesn't work...

What do you think is the value of 100!-101!+102!-103!...-109!+110! :biggrin: