Total # Posts: 25
What is the volume of 3.11×10 to the power 23. Molecules of NH3 at S.T.P
April 14, 2016
How can we find the g.p h.p
April 1, 2016
Why it is important to know the history of science in 300 words?
February 19, 2016
fixed cost is 40000 and variable cost are 60 percent of sales. If sales decrease by 20 percent then what is break even point?
October 9, 2015
The resultant of two vectors a and b is perpendicular to the vector a and its magnitude is equal to the half magnitude of vector b the find angle between a and b
August 13, 2015
in a isosceles triangle if two equal sides are 3.5 meter each.how long is third side?
October 11, 2014
Delft Solar Cell
Consider a crystalline PV module with the following output parameters mentioned at STC (Standard Testing Condition) conditions by the manufacturer. Pmax = 250W Voc = 50V Isc = 6A NOCT = 40°C Temperature coefficient of power = -1W/°C a) If the ambient temperature falls ...
November 25, 2013
March 29, 2013
The angles in triangle ABC satisfy 6sin∠A=3√3sin∠B=2√2sin∠C. If sin2∠A=a/b, where a and b are coprime positive integers, what is the value of a+b?
March 18, 2013
ABCD is a parallelogram. Let C′ be a point on AC extended such that the length of AC′=1.2AC. Let D′ be on the segment BD such that the length of BD′=0.9BD. The ratio of the area of the quadrilateral ABC′D′ to the area of the parallelogram ...
March 18, 2013
AT WHAT HEIGHT ABOVE THE EARTH'S SURFACE DOES THE ACCELERATION DUE TO GRAVITY FALL TO 1% OF ITS VALUE AT THE EARTH SURFACE
December 9, 2012
The sum of 4 term of an G. P. Is 15/32 and sum of infinite term of same G.P. Is equal to 1/3
September 15, 2012
what is the integration of dx/Cos^4(x)
September 7, 2011
Find the average velocity of a projetile between the instants it crosses half the maximum heght.It is projected with a speed u at an angle ø(thita) with horizontal.
August 4, 2011
how many gram of oxygen in persent in 36 gram of water?
July 20, 2011
In this concept a=force/mass.if mass is doubled the a will be half according to first a.
July 14, 2011
find the maximum value of √3 cosθ-sinθ.???
May 24, 2011
if sin a=0.5 then find the value of cos3a
May 24, 2011
April 28, 2011
oscillation nad waves
find the equivalent spring constant for a system of two spring of constant k 1 and k2 connected in series .use your result to explain to explain what happens when a sprin g of constant k is cut into two equal halves
April 27, 2011
January 29, 2011
Two sums of money are proportional to 8:9.n if the first is 20/- the other is
January 22, 2011
Rectangular plate is 6m wide and 12m long two holes of 2diameter have been gay cut in plate calculate the are of remaining plat?
December 6, 2010
Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area. Urgent help required. Thanks in advance
March 7, 2010
EXPLAIN THE SEX RATIO?
July 20, 2008