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hello people,m&b or s&f which one is better for iitjee preparation???many reactions & preparations are missing in these books ............what to do abt them??????????plz help

flames are in layman language light and heat enegy in acombo form due to rapid oxidation of the fuel molecules so its enegy ,not matter ,so newtons law is not applicable.flames are aresult of molecular oxidaton very energetic but not yet oxidized molecules tend to reach oxygen present zone which is a gas zone and has risen up due to heating so flames rise up...................its not a contradiction friend........................

HINT ext force in the form of mgsino is already acting.but the normal is not acting on the geometrical centre bcoz the centre of mass is already shifted

elucidate a little onthe bounces from underside a table.anyway dude only the annie qs was from the book rest were from olympiad papers(which just have answers &no solution).see dude is not a fight.we are all here to to give the gang some really good qs.i had put up only those qs which i had done previously.i told that they were screwing not because they wdere too tough but because they were time consuming.those ruthles statements were only to make the qs look more tough.chill yar be cool.its not any revenge.if i have hurt ur ego im sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

in hint isaid it will be longer and still u say it will be shorter

nobel prize is not a cakewalk

if someone found a motionles stringreaching vertically up into the skyand hanging down nearly to the groundshould that person consider itas an evidence for UFO or there can be an earthly explanation using physics.

sum of the masses of the two drops=mass of the original drop.

give rates

bcoz volume remains constant

angular momentum wd increase tkng earths rot into cons.traffic travelling eastward would move a greater distance from earths axis

thus increase its +contribution to earths ang. momentum.rest u can work out

even i think so

its a damn easy ask

morrison&boyd or solomon&fryhle?which is better

a dasgupta

giv some rates plz.............................

GUYS THINK SOMETHING GOOD.ITS ALL WRONG