# sumit

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

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

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 .

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?

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

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

7. ## Math

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

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

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?

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

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

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?

13. ## calculus

Largest 5 dizit number exactly divisible by 32 ?

14. ## physics

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

15. ## physics

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

16. ## Physical science

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

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

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

19. ## maths

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

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

21. ## maths --plse help me..

Is eulers formulae true for spheres and cylinder ,please explain

22. ## plse helppppp

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

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.

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

Falls

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