Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 18

**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 ...

**chemistry**

lowest+freezing+point+of+Kbr+AlNO33+CH3COONa+NaNO2+MgCl2+of+same+molality

**geometry**

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?

**geometry**

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 AB...

**SCIENCE**

AT WHAT HEIGHT ABOVE THE EARTH'S SURFACE DOES THE ACCELERATION DUE TO GRAVITY FALL TO 1% OF ITS VALUE AT THE EARTH SURFACE

**math**

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

**Maths**

what is the integration of dx/Cos^4(x)

**Physics**

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.

**Science**

how many gram of oxygen in persent in 36 gram of water?

**physics**

In this concept a=force/mass.if mass is doubled the a will be half according to first a.

**mathematics**

find the maximum value of √3 cosθ-sinθ.???

**mathematics**

if sin a=0.5 then find the value of cos3a

**physics**

50

**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

**Math**

Two sums of money are proportional to 8:9.n if the first is 20/- the other is

**Math**

Rectangular plate is 6m wide and 12m long two holes of 2diameter have been gay cut in plate calculate the are of remaining plat?

**Geometry**

Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area. Urgent help required. Thanks in advance

**GEOGRAPHY**

EXPLAIN THE SEX RATIO?

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