# preeti

Most popular questions and responses by preeti
1. ## physics

a solid density D has weight W. If it is complerly immeresed ina liquid of density d then the apparent weight of the solid is ............

2. ## maths: plzz help

(a) A polygon with n sides has a total of 1/p*n(n-q) diagonals, where p and q are integers. (i) find thhe value of p and q (ii) find the total number of diagonals in a polygon with 100 sides (iii) find the number of sides of a polygon which has a total of

3. ## Science

Nh4hs dissociates in a vessel at temp T K in the presence of 0.5 atm nh3. At equilibrium the pressure due to h2s is 1.5 atm.In a vessel V2 ( initially evacuated) the solid dissociates at T K.The total pressure at equilibrium in vessel V2 is P.and the

4. ## maths

bus tickets cost \$3 for an adult and \$2 for a child. there are 'a' adults nd 'c' children on a bus. the total number of people on the bus is 52. the total cost of the 52 tickets is \$139. find the number of children on the bus.

5. ## math

Find the zeroes v^2+4root3v-15 & also verify relation b/w zeroes & its coefficient.

6. ## physics

if a force of 15N acts on a body in the direction of north and another force of 10N in south what is the resultant force acting on the body

7. ## math

If the zeroes of the quadratic polynomial x^2+(a+1)x+bare 1& -3 find a&b

8. ## Economics

What is price elasticity?

9. ## math

If sin theta=1/3then find the value of 2cot^2+2

10. ## maths

find the surface area of abox with open top having dimensions 5,6,7metre

11. ## Chemistry

Estimate the orders and rate constant K from the results observed for the Reaction. What is the rate when [H2O2]=[I-]=[H+]=1.0M? H2O2 + 3I- + 2H+ →I3- + 2H2O Experiment H2O2 [I-] [H+] Initial rate MS-1 1 0.010 0.010 0.0050 1.15e-6 2 0.020 0.010 0.0050

12. ## math

integral arcsin(1/sqrt(2-x*2)

1. ## chemistry

.738 atm

posted on December 11, 2018
2. ## physics

and car starts from rest and acceleration uniformly at 2 m/second square for 10s .what is it's velocity at the end of 10s.

posted on July 5, 2017
3. ## Maths

Length of cord=71 1/2=143/2 No.of pieces it has been cut into=26 Length of each piece=143/2÷26 =143/2 * 1/26 =11/4 =2 3/4[ans]

posted on April 17, 2017
4. ## mathematics

It's a cuboidal tank

posted on December 28, 2016
5. ## MATH

We have Rs.100/-.If we spend Rs.100/-and balance is Rs.102/-,show how is Rs.2/-extra

posted on January 17, 2016