# Posts by shivani

Total # Posts: 26

physics
the sum of magnitudes of two forces acting at a point is 18n and the magnitude of their resultant is 12n. if the resultant makes an angle of 90 degree with the force of smaller magnitude,what are the magnitude of two forces

english
chartersketch of lencho

Science
Write balanced chemical reaction of the following- Stem is passed over heated iron to form magnetic oxide of iron and hydrogen.

physics
A constant force acts on a body mass 0.9 kg at rest for 10s.If the body moves a distance of 250m ,the magnitude of the force is

ap cal
An elevated train on a track 20 feet above the ground crosses a street at a rate of 25 feet per second and at a 30 degree angle. Five seconds later a car crosses under the tracks going 40 feet per second. How fast are the train and the car separating 3 seconds later?

science
identify the type of reaction when hydrogen sulphide gas burns in oxygen to give water and sulphur dioxide

physics
rain is falling at 5m/s making 30 degrees with the vertical towards east . to a man walking at 3m/s on a horizontal road towards east , the rain appears to be at a speed of

science
How far should be an undersea object/rock to hear theacho?Speed if sound in water is 1500m/s.

basic chemistry
different ways to split a mixture of benzene into components using two phase system separation

st. joseph school
2icap-jcap+xkcap is a unit vector than find the value of x?

st. joseph school
vector A =icap+jcap +2kcap. find a vector B which is perpendicular to vector A and whose magnitude is 5.

A.AA.SK.v. math
2.7.12....10term

Warren g Harding
Karina walked from home to the library did some homework then walked back home distance from home/ time

Statistics
no not 19 students

maths (exponents
if abc=1 prove that 1/(1+a+b^-1) + 1/(1+b+c^-1) +1/(1+c+a^-1) =1

chemistry
Mole fraction of NaOH is aquous sol 0.15 Find molarity of the solution, %w/w, if the density of solution is 1.25 g/ml

math
Given figure A and Figure B such that ar(A) = 20sq.units and ar( B ) = 20 sq. A. Figure A and B are congruent B. Figure A and B are not congruent C. Figure A and B are similar D.Figure A and B may or may not be congruent

Social studies
Zebulon

math
1/2*(24*25) =1/2*600 =300

write a factual description of the scene at the park in your locality in the morning hours

chemistry
I am given the following reaction: 2NH3(g) -------> N2(g) + 3H2(g) My question is: 6.4 mols of ammonia gas has been put into a 1.7 L flask and has been permitted to reach equilibrium in accordance to the reaction listed above. If the equilibrium mixture has 4.2 mols of ...

chemistry
I want to apoligize. The equilibrium is 4HCl(g) + O2(g)--->2H2O(g) + 2Cl2(g) Not 4HCl(g) + O2(g) ---> 2H2(g) + 2Cl2(g).

chemistry
which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics?

history
what is the legend of kailashnath templee.. in kanchipuram.?? plzz reply .. need it urgently .. I checked dozens of web sites about the Kailashnath Temple and none mentions any legends. This is the most complete article I found about the temple. http://www.4to40.com/...

Newspaper Article Review
i was very impressed

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