Sunday

April 20, 2014

April 20, 2014

Total # Posts: 10

**math**

cos^2x-sinxcosx-1/2=o

**Math**

A bag contains 5 red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that two balls drawn are both red?

**engineering **

: The coat hanger shown below is made of PVC (polyvinyl chloride). The neck of the hanger is 0.010 m in diameter and is 0.10 m long. If a coat hangs on the hanger, the length of the neck will increase by 1.00 x10 -5 m. 1. What is the mass of the coat? 2. How many such coats mu...

**mba**

P=D/(R-g) P=2.5/(0.2-0.12)=31.25

**kcc ..... mechanics(sub)**

2 spherical ball aer kept inside ..weight of ball a 3000N. weight of ball b 2000N.. and all surfaies are smooth find the reaction between ball and container............plz sir give me the answer this question ...in this question figure is given but i m not shows figure...........

**calculus**

dx/dt=5x-2y,dy/dt=4x-y

**geography**

how does geography affect the economy of Asian countreis???????? and give any picture of that which will support my eassy

**abs school**

which is more polar methanol or ethanol? The dipole on the ethanol molecule is stronger.

**math**

v^2=u^2+2gs u=0 v=sqrt(2gs) <----Ans.

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