# Mani

Popular questions and responses by Mani
1. ## physics

a hose pipe ejects water at a speed of 0.3m/s through a hole of area 50 cm*m.if the water strikes a wall normally, calculate the force on the wall , assuming the velocity of water normal to the wall is zero after striking?

2. ## chemistry.

a quantity of 25 ml of a solution containing both Fe2+ and Fe3+ ions is titrated with 23 ml of .02 M KMnO4 solution. as a result all the Fe2+ ions are oxidised to Fe3+ ions. Next the solution is treated with Zn metal to convert all Fe3+ ions to Fe2+ ions.

3. ## trig

1=2pi times the square root of (L/9.8)

4. ## Math

Richard Simmons is selling his house. He has a choice of taking \$125,000 today or \$135,000 in 6 months. If he takes the money today, he can invest it at Valley Bank at 5% interest compounded monthly. a. How much would be in the account after six months if

5. ## physics

two point charges +36 and -16 microcoulumb are placed 10 cm apart. at a point x, there is no resultant force on positive charge. the distance of x from +36 microcoulumb charge is

6. ## physics-newton's laws

an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the horizontal. What is the radius of the circle and how long does it take the plane to complete one full circle?

7. ## Math

1A farm consists of 600 hectares of land of which 500 hectares will be planted with corn soybeans and wheat according to these conditions;  At least half of the planted hectares should be in corn  No more than 200 hectares should be soybeans  The

8. ## English

Rock formations called geodes are filled with layers of crystals. Which group of words forms the complete predicate?

9. ## algebra

Eight more than the product of seven and Mabels age. (turn into algebraic expression)

10. ## electronic

The current through a meter movement is 150μApeak. What is the dc value if the instrument uses half-wave rectification?

11. ## Math

find the simple interest on rupees500 at 6% per annum for 1 year

12. ## Physics

a batman deflects a boy by an angle 90 without change in acc. speed of 54km/h if mass of ball is 0.15kg. what is the impulse exerted on the ball also find force exerted on ball if ball remain for 0.1sec In connected with wall?

13. ## Chemistry

Equal weight of methane and hydrigen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by hydrogen is

14. ## Maths

Equal weight of methane and hydrigen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by hydrogen is

15. ## Social Studies

1. Which action that occurred ruing the Battle of Chickamauga made it a Confederate victory? A. The Confederates had fewer casualties. B.Union troops were forced out of Georgia C. The Union general surrendered. D. None of the Above 2. Which of the

16. ## Math Help!!

Order the numbers from least to greatest. 1/3, 1 and 1/4, 0.27, 1.35 I am sorry I really need help on this one.

17. ## Math Help!!

Order the numbers from least to greatest. 3/8, 19/24, 2/3 Thanks.. :) In need of help to understand how to order.

18. ## Science

If the trend in the graph continues through the summer, what would you expect the average high temperature in Louisville, Kentucky , to be in August? Please respond as soon as you can, Thanks!

19. ## geometry

a point F is at a certain distance from a line AB .Another point P is moving in a plane such that the ratio of it's distance from F and line AB remains constant .find the locus of the point P

20. ## Math

In 500cmcube of alcohol solution the percentage of alcohol by volume is 80%. Find the volume of water that must be added to the solution so that the ratio of the volume of alcohol to that of water becomes 5:2? Please some one give me answer

21. ## Logic

A radical skeptic might be willing to doubt which of the following? 3 + 5 = 8 Grass is green. Cheese is fattening. *All of the above Is this correct?

22. ## geometry

A juice box holds 8 fluid ounces. A fluid ounce is 1.80469in^3. What are the dimensions of the box? Is there more than one possible answer

23. ## geometry

John is putting in a concrete patio in his backyard. The dimensions of it are 12ft by 8ft by 6inches. If concrete costs \$6.75 per cubic foot how much will the concrete cost for the patio

24. ## chemistry

if you have 24.00grams of O2 at 30 degrees Celsius, 204 KPa. how many liters of O2 do you have?

25. ## math

A lamp pole 12ft high shines on a person and casts a shadow 8ft long. If the person is 10ft from the lamp pole, calculate the person's height.

26. ## Math

Meg's pension plan is an annuity with a guaranteed return of 9% interest per year (compounded semi-annually). She would like to retire with a pension of \$70000 per semi-annum for 25 years. If she works 45 years before retiring, how much money must she and

27. ## deforestation

send me 5 sentences about deforestation

28. ## physics

a 60kg man is on a steadily rotating Ferris wheel. the man is standing on a bathroom scale and the scale reads 45kg at the top of the wheel. take g=10m/s^2 (a) what does the scale read when the man is at the bottom of the wheel? (b)what does the scale read

29. ## Math

what is the equation of pi?

30. ## history

tell me about women in politics from 1920 to 1929

31. ## Chemistry

Explain how a non metal atom becomes negative. Lose an electron, become negative. Bob Pursley isn't at his computer right now but I don't think he would mind if I explained that ADDING an electron to a non-metal makes it become negatively charged. I agree

32. ## chemistry

explain why oxygen "likes" to form an O^2- ion. O2 is a molecule, not an ion. O2 is stable in the outer electron configuration.

33. ## Chemistry

Propose a method for determining the specific heat, Cp, for a metal like sodium which reacts with water. You posted this question several times, and not just today. It has been answered. You will have to fill in the steps yourself. There are other possible

34. ## Chemistry

Propose a method for determining the specific heat, Cp, for a metal like sodium which reacts with water. Allow the sodium to equilibrate in a metal calorimeter filled with inert gas. Measure the equilibrium temperature

1. ## Math

A fertilizer factory mixes three ingredients: L, M and T to produce 2000kg of special mixture to specific order. L costs birr 36/kg, M costs birr 40/kg and T costs birr 42/kg. No more than 600kg of ingredient can be used and at least 300kg of M and 400kg

posted on April 24, 2020
2. ## math

29600

posted on May 1, 2019
3. ## Art- plzz help

Guys…Anna is right all her answers are!😉

posted on November 24, 2015
4. ## Art- plzz help

I love you @Anna! :D 💕😂😃

posted on November 24, 2015
5. ## Art- plzz help

Thank you @Anna!!! I got an 8/8 or a 100% ! Thank you so much!!! :D

posted on November 24, 2015
6. ## Social Studies

I got it a 4/5 thank you so much Reeb or Reed sorry…You were a great help! The answers were…. 1. B 2. A & B 3. C 4. A I got the numder 3 wrong…I chose A instead.

posted on November 21, 2015
7. ## Social Studies

I have this special language and writing class for people like me…and it's NONE of your business.

posted on November 21, 2015
8. ## Social Studies

Does someboby know the answers?!?!??! Please! I have dyslexia and I had to have my drother help me with this one.

posted on November 21, 2015
9. ## Math Help!!

Thanks Ms. Sue I got a 5/5 :)

posted on November 19, 2015
10. ## Math Help!!

Oh wait….1/3 is 0.333333 right? sorry! :)

posted on November 19, 2015
11. ## Math Help!!

5/4 = 1.25 1.35 0.27 3.33333 So it goes… 0.27, 1 and 1/4, 1.35, and 1/3?

posted on November 19, 2015
12. ## Math Help!!

thanks Ms. Sue :)

posted on November 19, 2015
13. ## Math Help!!

Nevermind I got it but so much for fast replies and help. pppfffttt.

posted on November 19, 2015
14. ## Math Help!!

THE Hell? The second Ms. Sue you need to fricken leave Ms. Sue and other students on here ALONE.

posted on November 3, 2015
15. ## math

Thank you so much @smartone:) 👼

posted on October 31, 2015

thank you Salted Caramel! :D

posted on October 12, 2015
17. ## math

Ha ha ha! Nice to see you all here! i am here for the SAME REASON!

posted on October 12, 2015
18. ## Math

BEQUIET Anonymous because you don't have a right to call people names! Stop being rude before you get reported!

posted on October 1, 2015
19. ## Heat Transfer

posted on August 5, 2015
20. ## global studies

women

posted on October 14, 2014
21. ## Algebra

range is [-27,48]

posted on April 2, 2013
22. ## Math

all these can be solved by using the formula a^2-b^2=(a+b)*(a-b) (1)---> ans. is (2x+4)*(2) (2)---> ans. is (5x+4)*(-3x-4) (3)---> ans. is (3x+6)*(5x-2)

posted on April 2, 2013
23. ## Chem

According to ideal gas equation [(p1*v1)\t1]=[(p2*v2)/t2] thus, [(740*410)/300]=[(760*V)/273] so,by solving the above eqn. we get V=363.28 ml

posted on April 2, 2013

the roots of the equation are n=[(-b)+sqrt(b^2-4*a*c)]/2*a n=[(-b)-sqrt(b^2-4*a*c)]/2*a thus, n=[5+sqrt(25+96)]/2*6 n=[5-sqrt(25+96)]/2*6 so,the values of n for this eqn. are n=4/3,-1/2

posted on April 2, 2013
25. ## Math

A.tgmgtgtgmgtg

posted on June 14, 2011
26. ## how to gain your parents trust back

think that you should simply stop lying and do what you have to do like get good grades do chores without being asked and if it comes down to a feeling where your about to runaway from home DON'T DO IT ! that's going to make it worse i promise it is. Talk

posted on June 5, 2011
27. ## statistics

.0107

posted on March 15, 2011
28. ## math

x=4.9

posted on February 16, 2011
29. ## math

6,174,000,000

posted on December 21, 2010
30. ## physics-newton's laws

thank you so much :)

posted on October 13, 2010