shreya

if sinA+cosA=1/5, then a value of tanA/2 satisfies which of the equation? a. 2x^2-x-1 b.x^2-2x-3=0 c.2x^2-5x-3=0 d. 2x^3-7x^2+2x+3=0

a point charge 50*10 raise to the power -6 C is located in the XY plane at the position vector r0= 2i^+3j^. what is the electric field at the point of position vector r=8i^+5j^?

What must be the velocity of a beam of electron if they are to display a de broglie wavelength of 1A°?

A river is flowing along the east direction with a velocity of 10km/hr. A person heads towards north with a velocity of 2km/hr. what is the velocity of the person with respect to ground?

Two 5-digit numbers have the same sum of digits: 2. The largest possible difference between two such numbers has the sum of digits: A 1 B 9 C 18 D 27 E 36

a uniform meter rule is pivoted at 20cm mark . It is balanced when mass of 100gm on 10cm mark and mass of 50 gm on 30 cm mark are suspended. Find d mass of meter rule

A rope dancer was walking on a loose rope tied to the tops of two equal post of height 9m. when he was 2.7m above the ground ,it was found that the stretched parts of the other rope made angles of 30 and 60.Find the length of the rope,with figure

1.5 m

oo hanks i am doing this sum form hours to hours .ur great

we know that perimeter of rhombus=area / altitude =139.2/9.6 =14.5 perimeter = 4a =4(14.5) =58cm

I am 5 digit number the sum of all my digits its 10 none of my digits are same who I am