Most popular questions and responses by sumit
  1. math

    The population of a town increases at the rate of 40 per thousand. Its population after 2 years will be 6084. Find its present population

    asked on November 7, 2017
  2. chemistry

    calculate the osmotic pressure of a solution obtained by mixing 100ml of 0.25M solution of urea and 100ml of 0.1m solution of cane sugar at 293k

    asked on June 6, 2013
  3. physics

    A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brake pedal. What must the car's declerations be if the car is to slop just before it reaches the child .

    asked on June 4, 2016
  4. math

    a soccer-ball was kicked off the top of the building and its height was monitored.regression equation is h= -4t^2+24.5t+146. what is the height of the building?

    asked on April 6, 2016
  5. Math

    Vinod and his two daughters Smriti and kurti purchase a car for Rs 525000. Vinod contributes 10/21 of the total cost of the car, Samridhi contributes 3/5 of her father's contribution while the kurti contributes 1/2 of her father's contribution. how much do

    asked on November 9, 2018
  6. math

    construct a triangle ABC similar to given triangle equilateral triangle PQR with side sum such that each of its sides is 6/7 of the corresponding angle PQR

    asked on March 17, 2016
  7. Math

    7 is subtracted from the quotient of 48 divided by sum of 5 and difference of 11 and 8

    asked on September 24, 2016
  8. physics

    1) Two large vertical plates parallel to each other are 2mm apart. A thin flat plate of 1 mm thickness,0.6 m*0.6 m size and 25 N weight is towed vertically up b/w the two large plates with a velocity of 0.2 m/s. the inside plate is equidistant from the two

    asked on September 2, 2011
  9. math

    if tony took 24 hours to finish his homework and sally took 30 hours. if they work together how many hours they would take?

    asked on February 28, 2016
  10. physics

    a bullet of mass 30 g. is fired from a pistol of 2.1kg at a velocity of 300 m/s calculate the recoil velocity of the pistol

    asked on August 4, 2012
  11. electrc field inside charged solid

    how can electric field exist inside a uniform charge solid... when by gauss law electric field is zero inside a conductor

    asked on September 5, 2007
  12. physics

    a 4kg roller is attached to a spring of force constant 100N/m. it slides over a frictionless horizontal road. the roller is displaced from equilibrium position by 10cm and then released. its maximum speed will be?

    asked on May 11, 2013
  13. calculus

    Largest 5 dizit number exactly divisible by 32 ?

    asked on June 8, 2011
  14. physics

    Explain the interference due to thin flims and ahows that the reflected and transmitted systems are complementary to each other.

    asked on April 3, 2010
  15. physics

    Show that the amplitude of the first reflected ray is equal to the sum of amplitude of all other reflected rays.

    asked on April 3, 2010
  16. Physical science

    Is magnitude of displacement is greater than the distance travelled by an object?

    asked on May 5, 2016
  17. math

    a small mountain near tectonic plate line andes has been growing consistently in height each year. the first measured height was recorded i 1997. 1997; 997.7300 2000;997.7606 2005;997.7810 determine the regression equation for the data

    asked on April 6, 2016
  18. physics

    An object 5 cm high is placed at a distance of 60 cm in front of a concane mirror of focal length10cm .Find the position and size of image

    asked on February 17, 2015
  19. maths

    If sin(theta)=3/5 , tan(phi)= 1/2 and 90¡ã< theta

    asked on June 16, 2014
  20. maths --plse help me..

    On a certain sum, C.I. is Rs 41 and SI is Rs 40. for 2 years. What is the rate p.a

    asked on December 18, 2012
  21. maths --plse help me..

    Is eulers formulae true for spheres and cylinder ,please explain

    asked on December 16, 2012
  22. plse helppppp

    prove that 1/2 * 1/3 * 1/4 * ... ..... ... ..... ..... .... ....... .... ... ....1/99 < 1/2

    asked on December 7, 2012
  23. math

    two drums contain 600lts. and 800 lts. of water . find the size of the largest vessel that can be filled an exact number of times from each drum.

    asked on August 19, 2012
  1. Chemistry

    Due to the latent heat of vaporisation and its rapidly because the boiling point of alcohol is less

    posted on September 27, 2017
  2. social

    I dino know

    posted on July 8, 2017
  3. Maths

    104 sq cm

    posted on January 12, 2017
  4. Math Ratio and Fractions

    a. 4:9 b. 5/4 c. 4/5 d. 9/4 e. 9/5

    posted on September 10, 2016
  5. chemistry


    posted on September 4, 2016
  6. math

    i don't understand

    posted on April 6, 2016
  7. plse helppppp

    this is no a proper method.. u have done correct , no doubt , but i want step by step

    posted on December 7, 2012
  8. plse helppppp

    plse explain in detail...

    posted on December 7, 2012