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 ............

    asked on December 29, 2011
  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

    asked on March 16, 2012
  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

    asked on November 28, 2016
  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.

    asked on March 16, 2012
  5. math

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

    asked on June 18, 2016
  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

    asked on June 1, 2011
  7. math

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

    asked on June 18, 2016
  8. Economics

    What is price elasticity?

    asked on August 20, 2009
  9. math

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

    asked on June 19, 2016
  10. maths

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

    asked on February 10, 2016
  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

    asked on September 13, 2016
  12. math

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

    asked on October 1, 2011
  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