# Posts by Gaurav

Total # Posts: 55

1. ### Science

A Stone of 5 kg falls from the top of a cliff 50 m high and buries 1m in sand. Find the average resistance offered by the way sand and the time taken to penetrate.
2. ### Math

I am a 4 digit number between 2000 and 5000. Each of my digit is an even number. Also,all my digits are identical. Who am I
3. ### math

Let his salery be x then,total expendiature=salery.so,x.1/2+x/2.2/3+40000=x now by solving the equation, we get x=24000.
4. ### Maths

Given equation is 4x2-5x-1,now a+b=-(-5)/4=a=5-4a/4 again a.b=-1/4 put the value of a we get a=1,and b=1/4 so a2b=1/4.
5. ### Trigonometry

the number of solution of |sinx| = |cos3x| in the interval (-2?,3?)
6. ### math

if it's 5times the fifth term of an ap is equal to 12 times the twelfth term then find its seventeenth term
7. ### math

what could be the possible missing side lenth of these triagles 8cm 9cm
8. ### physics

find the relative velocity of boat w.r.t water .The velocity of boat is 3i^+4j^ and that of the water is -3i^-4i^
9. ### maths

I am greater than 24*4 My unit digits is less than my tens digit I am odd Tell who am i

11. ### math

The rails on a railroad are 30 feet long. As the train passes over the point where the rails are joined, there is an audible click. The speed of the train in miles per hour is approximately the number of clicks heard in: A. 20 seconds B. 2 minutes C. 1.5 minutes D. 5 minutes E...
12. ### math

a circle of radius r is inscribed in a right triangle of sides 5cm,12cm,and 13cm.r
13. ### math

what is perimeter
14. ### chemistry

How to calculate sigma and pi bonds in a molecule?Please explain using suitable examples.
15. ### physics

Any body which has mass x on the earth will be x/6 on moon.so the man will be 100/6kg=16.3kg.
16. ### english

Write a letter to editor expressing your veiws about child labour
17. ### math

Q1.Navyug industriess Ltd.has annual requirement of 5,000 piece of brake cylinder for its popular brand of golf carts.each brake cylinder has a carrying cost of 25 per unit per year.the ordering cost per order is 800.calculate the total inventory cost for the following values ...
18. ### math

Q1.A cooperative store is interested in knowing whether there is any significant difference between the buying habits or male and female shoppers.samples of 14 males and 16 female shoppers gave the following information: male=62,38,43,79,77,23,11,52,33,41,70,49,69,43. female=...
19. ### math

Q1.manufactures has a mean writing life of 40 pages with a SD of 2 pages. A purchasing agent selects a sample of 100 pens and them to test. The mean writing life for the same was 39 pages. Should the purchasing agent rejects the manufacturer’s claim?
20. ### geography

write short note watercycle
21. ### physics

you are standing on roof of a building you have one stone and a stopwatch with you.how can you find height of the building
22. ### Math

09+36=75 05+04=23 08+01=63 06+16=32 09+09=78 03+09=6 03+81=?? Can u solve & share the logic behind this??
23. ### Raptor from loop quetion

display table of 2,in the form of 2*1=2
24. ### statistics

Please do not answer these questions, It is not a help. It is challenge for a new education system, I think this should be immediately stopped to cheer at least those who are working hard to learn
25. ### Math

New Value of account= \$5000*(1+12/100)^5 = \$8811.7
26. ### Chemistry

V1 =19.5gellon=2113.2cm^3 TM1 =2113.2*1.0837= 22900.9 g M1= 12*TM1= 2748.1 g V2 =? TM2 =V2*1.1453 M2 = 20*V2*1.1453 V3=V1+V2 (mixing of two solutions) Conservation of mass: M3=M1+M2, M3= 12*V1*1.0837 + 20*V2*1.1453 ....I TM3 = TM1+TM2, M3 = 19*TM3 = 19*(V1*1.0837 + V2*1.1453...
27. ### Math

the question is not complete.. linear functions do not have asymptote...
28. ### Computer Science

thanks...yes i found the error. It was basically trying to parse a null which is a string. Yes i can try and catch the exception but haven't learned it but thanks for idea...i think i mite do that.
29. ### Computer Science

I am making a object oriented program and hashing the list of make of an electronic and type to the JCombobox...i am getting this number Exception error...it will nice if you could tell why am i getting it eventhough i am doing the casting and everything. Try to help ASAP! ...
30. ### physics

Find the angular velocity of a body rotating with an acceleration of 2 rev/s square as it completes the 5th revolution after the start.
31. ### computer science

import java.awt.*; import javax.swing.*; import java.awt.event.*; class Quiz /* Student Assignment Submission Form ================================== I declare that the attached assignment is wholly my own work in accordance with Sheridan Academic Policy. No part of this ...
32. ### computer science

hi i am using java to make a quiz... i am using JFrame and have radio buttons so the user can give his answer. For example: Who co-stared with Leonardo Dicaprio in the movie Titanic? Kate winslett. No i have a radio button in front of it and i have four options. I want to tell...
33. ### comp sci

hi i am using java to make a quiz... i am using JFrame and have radio buttons so the user can give his answer. For example: Who co-stared with Leonardo Dicaprio in the movie Titanic? Kate winslett. No i have a radio button in front of it and i have four options. I want to tell...
34. ### math

1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect the mass of the see-saw)
35. ### math

1. Two children balance a see-saw in horizontal equilibrium. One weighs 80 lb. and the other weighs 60 lb. and is sitting 4ft. from the fulcrum. Find the force the fulcrum applies to the beam and the distance to the fulcrum to the 80 lb. child. (Neglect the mass of the see-saw)
36. ### math

4. You have \$55000 to invest, and two funds you would like to invest in. The You-Risk-It Fund yields 13% interest. The Extra-Dull Fund yields 7% interest. Because of the college financial aid implications, you don’t think you can afford to earn more than \$6500 in interest...
37. ### math

2. One side of a right triangle is 12.5 ft. The perimeter is 38.7 ft. What is the length of the hypotenuse and the other unknown side?
38. ### math

1. You have \$55000 to invest, and two funds you would like to invest in. The You-Risk-It Fund yields 13% interest. The Extra-Dull Fund yields 7% interest. Because of the college financial aid implications, you don’t think you can afford to earn more than \$6500 in interest...
39. ### math

1. You have \$55000 to invest, and two funds you would like to invest in. The You-Risk-It Fund yields 13% interest. The Extra-Dull Fund yields 7% interest. Because of the college financial aid implications, you don’t think you can afford to earn more than \$6500 in interest...
40. ### computer science

i have two numbers... 1564656 1981676 i want to check if the first and the last number from a string of these numbers are the same or not...how would i do that. how would i just compare the first and a last number and ignore the other numbers in this string? my code so far... ...
41. ### math

The fuel rods for a certain type of nuclear reactor are bundled into a cylindrical shell. Consider this cross-section showing 19 identical fuel rods: a) If the diameter of the cylindrical shell is 12.35 cm, calculate the shaded area of the cross-section. b) If the length of ...

thanks
43. ### math

1. Two roads intersect at an angle of 52.7 degrees, with a field in between. A girl is walking on one of the roads 1.5miles from their intersection. Her house lies 0.85 miles from the intersection along the other road. If she cuts across the field to her house, how much ...
44. ### physics

A cyclist travel a distance of 4km from P to q and then moves a distance of 3km at the right angle to PQ. Find his resultant displacement graphically.
45. ### Math

4/5=0.8 0.8*90000=72000
46. ### math

that would be exactly 26.2
47. ### physics

when the pressure is more on the ground ---- when a man is walking or when a man is standing.
48. ### Computer

After writing the program of Exercise 17.7, write a simple program to create some test data for checking out the program. Use the following sample account data: Master file Account number Name Balance 100 Alan Jones 348.17 300 Mary Smith 27.19 500 Sam Sharp 0.00 700 Suzy Green...
49. ### Computer Science

The digits 0, 1, and 8 look much the same if rotated 180 degrees on the page (turned upside down). Also, the digit 6 looks much like a 9, and vice versa, when rotated 180 degrees on the page. A multi-digit number may also look like itself when rotated on the page; for example ...
50. ### Computer Science

The digits 0, 1, and 8 look much the same if rotated 180 degrees on the page (turned upside down). Also, the digit 6 looks much like a 9, and vice versa, when rotated 180 degrees on the page. A multi-digit number may also look like itself when rotated on the page; for example ...
51. ### 11th grade

Calculate the root mean square,average and most probable speed of oxygen at 27degree celcius
52. ### s.p.s

why computer is used in shoping complex.
53. ### chemistry

Q.1 What will be the pH at the equivalence point during the titration of a 100 ml 0.2M solution of CH3COONa with 0.2M of solution of HCl?(Ka = 2*10^-5) Q.2 Aniline behaves as a weak base.When 0.1M,50ml solution of aniline was mixed with 0.1M,25ml solution of HCl the pH of ...

i likr
55. ### Algebra help needed!

(10x-21)/(x^2-9)