Thursday
April 24, 2014

Posts by rahul


Total # Posts: 65

physics
Three tug boats are pulling on a cruise ship with three ropes. Two pull with a force of 1800 N each at angle of [N15°E] and [S24°E]. If the net force on the ship is zero, what must the tension in the third rope be?

maths
how to write 04 feb 2014 in 5 letters without using numbers.

science
Extraction of copper

physics
Find an expression for the energy densityin terms of stress and strain.

physics
Is average speed the magnitude of average velocity?

buisness
I need help on a project on 'case study on soft drinks' of about 30 pages which should include information abou history,nature of soft drinks, process of manufacturing and a casestudy on a particular softdrink brand. Please provide some websites where i can get informa...

buisness
I need help in a project on 'case study on soft drinks' of about 30 pages . Please provide some websites details which can help me. It should include information abou history,nature of soft drinks, process of manufacturing and a casestudy on a particular softdrink brand

accounts
I need help in a project on 'accounting process' . It should begin with a storyline in which a buisness have to be chosen(i have chosen a tyres dealer). Then transactions taking place between 1 april 2013 to 30 june 2013(accounting period is 3 months). It should includ...

Pre Calculus
2tanx

mathematics
The members of a high school basketball team are driving from calgary to vancouver,which is a distance of 675km.Each tire of their van has a radius of 32cm.If the team members drive at constant speed and cover the distance in 6h 45 min,what is the angular velocity,in radians/s...

Physics Urgent please help
f+0.63

Mathematics
In a family of two children, find the probability that the family has two boys given that the first child is a boy.

science
Because the others require a medium in order to transmit and recieve the signals from outer space

math
50

chemistry
calculate the freezing point of an aqueous solution containing 10.50 g of MgBr2 in 200 g of water (MgBr2=184 g, Kf for water =1.80 K kg mol-1)

physics
i don't know

physics numeral
A person rows his boat in stream with a speed of 2.0 m/s.Water in the stream is flowing perpendicular to the direction of flow,find graphically his resultant velocity.

physics numeral
An object of mass of 0.5 kg is whirled at the end of a string 0.8 m long.If the string makes three revolutions in 1.2 s,find the tension in the string.

Capacitors
(a) i)0 ii)0 iii)Q(t) = 3 * Q_0 and E = Q(t)/(A * epsilon_0) ....where A = pi*a^2 (b) i)0 ii)don't know iii)0 (c) i)don't know ii)0 iii)0 (d) i)don't know (e) i)don't know

chemistry
cao + h20

MAnagerial Economics
In the long Run Who play a dominant role. Options:- Income, Demand, Supply, Price.

math
12x + 16y=1/5 & 13x + 24y =1/4,find value of x & y.

Probability
17

trig
sec0+ten0-1/tan0+sec0+1=1+sin0/cos0

geometry
a rectangle PQRS inscribed in a quadrant of circle of radius 13cm. find area of rectangle.

Science
unit of mass is kg whereas unit of force is newton or kg wt mass always remain constant except in rocket propulsion whereas wt varies from place to place as g acc due to gravity varies

maths
If f(x)=x(2pi-x) in 0<x<2pi,prove tat f(x)=2pi square/3-4(cosx/1square+cos2x/(2 square)+cos3x/(3 square)+.....

English 3
What are the different kinds of mindset?

physics
A spacecraft circling the moon at a distance of 384,000 km from the earth communicates by radio with a person on earth. How much time elapses between the sending and receiving of a signal?

algebra
3 4 1 2 find the value of the following determinant

math
to find the force...you just subtract the two weights?

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)

physics
what is net force acting on the ball after attaning terminal velosity?

Science
The time taken by the tip of second hand of a clock to move one full round on circular dial is 60 second. The speed of second hand is _____.

Science
The time taken by the tip of second hand of a clock to move one full round on circular dial is 60 second. The speed of second hand is _____.

AP Chemistry
What mass of Na2CrO4 is required to precipitate all the silver ions from 96.0 mL of a 0.650 M solution of AgNO3?

AP Chemistry
Write the balanced molecular, complete ionic, and net ionic equations for each of the following acid-base reactions. (Type your answer using the format [NH4]+ for NH4+ and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) HClO4(aq) + Mg(OH)2(s) molecular eq...

AP Chemistry
Write the balanced molecular, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. (Type your answer using the format [NH4]+ for NH4+ and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients.) (a) solid silver hydroxide ...

AP Chemistry
What volume of each of the following acids will react completely with 25.50 mL of 0.700 M NaOH? (a) 0.100 M HCl (b) 0.150 M HNO3 (c) 0.200 M HC2H3O2

AP Chemistry
What volume of each of the following bases will react completely with 21.00 mL of 0.500 M HCl? (a) 0.100 M NaOH (b) 0.0500 M Ba(OH)2 (c) 0.250 M KOH

4th grade math
8,642

math
27*18=486

chemistry
how many moles of methane are required to produce 22g of CO2 after combustion

chemistry
When water is cooled to a temperature x , it gets converted into ice at temperature x by a process called p. And when ice at temperature x is warmed, it gets converted into water at the same temperature x in a process called Q a) what is the value of temperature x in kelvin? b...

physics
A boy hits a football high up in the air . He runs and catches the football before it hits the ground. Which of the two , the boyor the football has had the greater diplacement?

english
poem of nature thha have mataphor,simile,persinofi

General knowlegde
How to write 23th march 2011 in 5 letter without using number

Please proof read using commas
I use a computer for producing final drafts but I can't actually write on it. I turn it on listen to it boot up put my fingers on the keyboard and the.....nothing. On the other hand writing on paper makes me feel as if I can conquer the whole world. When I see the ink on t...

science
My son has a science project to do on "Does a plant groww bigger if watered with milk or water?. Please if you can help how to get started

Physics
Hello, I am doing a physics experiment regarding rotational motion and equilibrium. We have the following lab setup and are supposed to find the unknown mass. How should I approach this? file:///C:/Users/Rahul/Desktop/Lab%20Drawing.jpg

Calculus AB
The volume V or a cone (V = 1/3 π r² h) is increasing at a rate of 28π cubic units per second. At the instant when the radius r of the cone is 3 units, its volume is 12π cubic units and the radius is increasing at 0.5 unit per second. a) At the instant whe...

Physics
A light string, connects blocks 1 and 2 of masses m1 and m2. These blocks are further connected to a block of mass M by another light string that passes over a pulley of negligible mass and friction. Blocks 1 and 2 move with a constant velocity v down the inclined plane, which...

Physics
Thanx! thats what i got, other than the fact that we had a 5 foot difference with the rope already so the total should be 35 m after 2 secs.

Physics
Hi I really need this question answer as a check: a helicopter holding a 70 kilogram package suspended from a rope 5.0 meters long accelerates upward at a rate of 5.2 m/s^2. a. Determine tension on the rope. b. When the upward velocity of the helicopter is 30 meters per second...

Trigonometry
the answer is = 2/cosØ , L.H.S = R.H.D

Trigonometry
i mean to say 1/sinØ-tanØ - 1/cosØ = 1/cosØ + 1/secØ + tanØ

Trigonometry
Prove that 1/sin theta-tan theta and - 1/cos theta = 1/cos theta and + 1/sec theta+tan theta

physics
20.65 when car moves on a straight road the limiting force of friction should be greater than or equal to centripetal force i.e v=sq.root of meu r g

maths
express each of the following in the form (x+p)^2+q 1. x^2-20x+3

8th grade MATH
3 tarm 8th quesaons

math
x=(-1)

science
What is on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum. Rather than my posting an entire page of sites, please go to the following, which I found with a Google S...

Gauss' Law!!!!!!!!!!
105.18

chemistry
l.hbjl.

computer
How to write a report on topic 'Internet'? Suggest report outline Thank you for using the Jiskha Homework Help Forum. Here are some things to consider in writing a typical five-paragraph paper. Five-Paragraph Essay Structure The introductory paragraph begins with a gen...

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