Saturday

April 25, 2015

April 25, 2015

Total # Posts: 16

**science**

girl of mass 40kg having v 2m/s jumps on a stationary cart of mass 4 kg find the velocity of girl when the cart starts moving
*April 13, 2015*

**physics**

from a cliff of 49m high ,a man drops a stone 1s later he throes second stone . they both hit the ground at the same time . find out the speed with which he throws the second stone.
*September 10, 2014*

**maths**

find the value of log49to7
*April 5, 2014*

**science**

A solution of NaOH(molar mass 40g mol-1)is prepared by dissolving 1.6g of NaOH in 500 cm cube of water.Calculate molarity(M) of the solution
*April 6, 2013*

**science**

how can we finf the specific rotation of mixture of compounds like fructose and glucose if we don't knw its percentage composition in the mixture
*January 14, 2013*

**science**

1.)A sample of ammonium nitrate contains 70 g of nitrogen.what is the mass of the sample? 2.)no. of gram atom of ca in 100 g of caco3(mol.wt. of caco3=100g)
*November 13, 2012*

**maths**

show tha minute hand of a clock gains 5 degree 30 minutes over the hour hand in one minute?
*June 30, 2012*

**Chemistry**

A 1.00 L flask containing the equilibrium mixture CO +Cl2 <-> COCl2 was found to contain 0.400 mol of COCl2, 0.100 mol of CO, and 0.500 mol of Cl2. If 0.300 mol of CO is added at constant temperature, what will be the new concentrations of each component at equilibrium?(...
*April 29, 2012*

**physical education**

in what all tips does physical education help?
*October 8, 2011*

**physics**

Consider a boy standing on a building that is 500m height and another boy standing on the ground. If the boy on the ground throws a ball to the boy standing on the building, with what vertical velocity must the ball be thrown such that it reaches the boy standing on the ...
*July 27, 2011*

**physics**

A body of specific gravity 3.0 is immersed in water. What is the minimum force required to pull it out at velocity 2
*July 25, 2011*

**calculus**

This is from our problem set. f(x)= 2(x^3)-3(x^2)-12x+20 write an equation of the line perpendicular to the graph of f at x=0 I think i'm supposed to take the derivate of f and then find the slope of the tangent line at x=0. Then take the opposite reciporcal of that and ...
*October 26, 2010*

**music**

thank you for helping me .you are a great suscess!
*June 22, 2009*

**music**

how can i do better at the flute and piano?
*June 22, 2009*

**Math**

what you should do is try your best on your exam .it does not matter if you got it wrong.
*June 21, 2009*

**Subject-Verb Agreement**

hi
*December 18, 2006*

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