Recent content by usha

Homework Statement suppose in a box there are 20 red, 30 black,40 blue,and 50 white balls.what is the minimum numbers of balls to be drawn, without replacement,so that you are certain about getting 4 red, 5 black, 6 blue and 7 white balls? Homework EquationsThe Attempt at a Solution so there...

oh!.. yes never thought of taking F = mkv2... now i see it...thanks

this question is from JEST 2013 (joint entrance screening test) and the answer is supposed to be (c) according to the answer key.

Homework Statement A particle of mass m is thrown upward with velocity v and there is retarding air resistance proportional to the square of the velocity with proportionality constant k. if the particle attains a maximum height after time t, and g is the gravitational acceleration, what is...

please tell me how can i prepare for the interview of iisc in physics integrated phd... how they ask questions etc. as early as pssible... iam a final year bsc student...

please tell how to prepare for IITJAM(physics), which book to prefer?.. iam studying Bsc in physics

i want to know how to get an idea to do a project... a methodology for in

welll i wnt to do a project related to optics or astrophysics... i m studying 2nd year Bsc.in karnataka

i want do a project in physics help me please!,