Thursday

July 24, 2014

July 24, 2014

Total # Posts: 69

**logical thinking**

Monica has eleven children and eleven apples. She wants to divide equal pieces of apples so that Apple is still left out.

**algebra**

Monika had 5 boxes of chocolates with her. If each box contains 25 chocolates. find the total chocolates she had.

**Physics**

Consider problem U concerning the geosynchronous satellite of mass 50 kg. It orbits at a radius of 42,300 km with a speed of 3076 m/s. a) How much energy is needed to lift the satellite from the earth's surface (Re=6,370 km) up to that radius? b) How much kinetic energy do...

**chemistry**

identify the type of reaction:- FeSO4 + heat ----------> Fe2O3 + SO2 + SO3

**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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