goIIT: IIT JEE AIEEE CET WBJEE VITJEE BITSAT IIIT AICET Engineering Entrance Experts, Student Discussion Community, IIT JEE Preparation Online

sir i want to ask that. is it happen with everyone suppose one complete 1 chapter and solve all its questions and the next day he finds dificult to solv the same questions,?i face the same problem ?wthat should i do???

second question. i am havin problem in giving tests. actually i face difficulty in giving the exam in 3hrs. i cant remain focussd ?what should i do?????

sir i want to ask that. is it happen with everyone suppose one complete 1 chapter and solve all its questions and the next day he finds dificult to solv the same questions,?i face the same problem ?wthat should i do???

sir am a student of class 12..i have read 11 so so. i want to clear iit jee. wat should i do now so that i make it sure i crack it..plz tell me wat books should i follow and how to read and how much hours etc etc

student

a body is projected with a velocity u at an angle

with the horizontal. the velocity of tthe body will become perpendicular to the velocity of projection after a time t given by ???

plz solve it and post d solution too....and temme how velocity can b perpendicular to the velocity of projection???????

i agree with josh....................b+ve

1)A car accelerates from rest at a constant rate @ for some time after which it decelerates at a constant rate $ to come to rest. if the total time elapsed is t, the maximum velocity acquired by car is ??(the answer shud contain a relation betwn @,$ and t)

2)a body, falling freely under gravity, covers half of the total distance in the last second of its falls. if it falls for n seconds, then the value of n is ??

please answer dis questions wid solutions so that it wud help me out.......please solve the questions and post it....

derivative of x²is 2x but

x²= x*x =(x+x+x+x+x............) x times and so its derivative is (1+1+1+1+1....) x times =x and not 2x

please explain as to where is the mistake????????????

cud any1 explain me how to solve the prblms of rc mukharjee of chaper gas properties. am confused how to use the formulae......

cud any1 explain me the repaltion between pressure, temperature and volume??

help me outt....fhow to prepare for iit ...i want to join iit in my first chance ...i am in class 11 ....please help me outt

thnx a lott.........may god bless u

coz sh's HIGH MAINTENANCE material

sir am a student .i gave my class 10 examinations very recently. i am an aspirant of iit . am confused .from where to start and how to prepare for it..

i am a student .i appeared my class 10 examinations recently .sir i want to crack iit in my first chance. sir please help me out how to prepare for it .

danish