Tuesday
September 1, 2015

Posts by Poonam


Total # Posts: 11

physics
two trains are moving towards each other with velocitied u1 and u2 see that the distance between them is x.the condition for them to not collide is
August 31, 2015

Physics - Mechanics
velocity imparted to block will cause the the block to rise to a height h at this instant the kinetic energy is converted into potential energy completely so, (1/2)*M*(v')^2 = M*g*h use the value of v' from above solution and solve for h.
March 13, 2015

Physics - Mechanics
m-mass of bullet, v- initial velocity of bullet, let v'be the velocity of block. conservation of momentum, m*v+ M*0= m*(v/2)+ M*v' solve for v'.
March 13, 2015

kv
A reference solution is to be prepared with 5 PPM parabenzopyrene (molecular weight = 252). The quantity of parabenzopyrene required for preparing one litre 5 PPM solution is
March 5, 2013

biochemistry
The amino acid arginine (R) has how many ionizable protons?
January 27, 2013

biochemistry
The amino acid R has how many ionizable protons?
January 27, 2013

biology
i cannot access the link; can you please post the full link
November 5, 2012

biology
What is a tissue-specific knockout mouse and an inducible knockout mouse?
November 5, 2012

chemistry
The time required for the completion of 99.9% of a first order reaction is equal to how many times that of its half life? (A)2 (B)3 (C)5 (D)10
March 12, 2012

Science
The line spectra of two elements are not identical because- (A)The element do not have the same number of neutrons (B)They have different mass numbers (C)Their outermost electrons are at different energy levels (D)They have different valencies
March 12, 2012

math
cotxcot2x-cot2xcot3x-cot3xcotx
August 17, 2011

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