# Rahul

Most popular questions and responses by Rahul-
## English

Write the characteristics of lencho.

*asked on June 21, 2017* -
## 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)

*asked on June 12, 2013* -
## chemistry

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

*asked on May 26, 2014* -
## 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) +

*asked on September 24, 2011* -
## dps dhanbad

distance=8m,speed=42/5centimeter/sec,time=?

*asked on November 30, 2015* -
## Chemistry

what is the OH- concentration of 0.08 M solution of CH3COONa

*asked on May 4, 2017* -
## 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)

*asked on September 24, 2011* -
## 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

*asked on September 24, 2011* -
## math

In how many years will RS 150 double itself at 4 persent simple interest?

*asked on December 1, 2017* -
## 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

*asked on December 9, 2010* -
## trig

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

*asked on February 24, 2013* -
## math

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

*asked on April 7, 2013* -
## 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

*asked on November 12, 2013* -
## Theory of machines

A locomotive is running at a constant speed of 100 km/ h. The diameter of driving wheels is 1.8 m. The stroke of the piston of the steam engine cylinder of the locomotive is 600 mm. Find the centripetal acceleration of the crank pin relative to the engine

*asked on January 18, 2015* -
## MAnagerial Economics

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

*asked on April 23, 2013* -
## Math Calculus

A cylindrical tank with axis horizontal has a diameter d and a length L. It holds oil to depth d ( d

*asked on April 17, 2018* -
## Geometric progression

If 5th and 8th terms of a G.P. be 48 and 384 respectively. find the G.P.

*asked on October 13, 2016* -
## Geometric progression

The first term of a G.P. Is 5 and the common ratio is-2. What is the 6th term?

*asked on October 13, 2016* -
## math

a ball is dropped from a height of 5m assuming that on each bounce the ball return to 60percent of its height attained

*asked on June 18, 2019* -
## KCC

An electron has a speed of 500 m/Sec with uncertainty of 0.002% what is the uncertainty in position?

*asked on October 14, 2015* -
## math

A box of constant volume c is to be twice long as it is wide . the material on the top and four sides cost three times as much per square metre as that in the bottom. what are most economic dimensions ?

*asked on August 30, 2017* -
## Geometric progression

Find the sum of the series 0.5+0.55+0.555+....to n terms.

*asked on October 13, 2016* -
## chemistry

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

*asked on July 24, 2011* -
## Mathematics

A cylindrical tube, open at both ends, is made of metal. The internal diameter of the tube is 10.4cm and its height is 25 cm. If thickness of the metal is 8mm everywhere, calculatd the volume of metal in the cylinder

*asked on January 4, 2015* -
## science

all acids are not corrosive.justify this statement

*asked on July 18, 2016* -
## Math

A rectangular strip 25cm*7cm is rotated about the longer side. find the total surface area of the solid thus generated.

*asked on December 14, 2016* -
## Average

In a class 20% students failed 60% students scored average marks and the remaining above average marks find number of students in the class ?

*asked on May 6, 2016* -
## 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.

*asked on June 7, 2013* -
## Math

What is i?

*asked on December 28, 2018* -
## 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

*asked on September 24, 2011* -
## Maths

Evaluating [20] gives [17] a)1140 b)1141 c)1131 d)1130

*asked on June 9, 2019* -
## 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

*asked on December 9, 2010* -
## Science

A boy travels a distance of 10 m towards south and then he runs towards east and travels 12 m in that direction. Calculate (i) the total distance travelled by the boy and (ii) the displacement from his initial position

*asked on May 5, 2018* -
## 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?

*asked on September 24, 2011* -
## 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?

*asked on April 23, 2014* -
## 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.

*asked on June 7, 2013* -
## mathematics

Find the angle of depression of a boat from the bridge at a horizontal distance of 25 m from the bridge if the height of the bridge is 25 m

*asked on March 20, 2016* -
## Physics

find the angle of banking of curved railway track of radius 600m if the maximum saftey sppedd limit is 54;km/hr .if distance beetween the rails is 1.6m find elevation ofvthe outervtrack above the inner track

*asked on January 29, 2016* -
## physics

car moving on a straight road covers a distance of 1.5 km due east in 150 second.what is the speed of the car?what is it's velocity?

*asked on June 1, 2015* -
## 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

*asked on June 11, 2011* -
## Geometric progression

Fourth term of a G.P. is 40 and the tenth term is 2560. find the seventh term.

*asked on October 13, 2016* -
## Physics

The near point of a patient's eye is 58.2 cm. (a) What should be the refractive power ℛ of a corrective lens prescribed to enable the patient to clearly see an object at 22.0 cm? ℛ = dpt (b) When using the new corrective glasses, the patient can see an

*asked on March 4, 2016* -
## statistics

a study was conducted of all 1849 students in a certain country.whether the value is parameter or statistics

*asked on September 20, 2014* -
## Physics

The speed of the tip of a second hand of length 5 cm of a clock is m/s

*asked on January 20, 2018* -
## 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

*asked on October 29, 2011* -
## 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

*asked on February 9, 2011* -
## math

In an election there were 2 candidates the winner poled 53% votes and won by 9600 votes find total number of votes

*asked on January 7, 2017* -
## Physical Chemistry

The weight of one atom of uranium is 238amu. Its actual weight is ......g.

*asked on April 20, 2015* -
## Science

What happens when you bleach the fur of a German Shepherd?

*asked on May 18, 2019* -
## math

Five square flower beds each of sides 1m are dug on a piece of land 5m long 4m wide . What is the area of remaining part of land?

*asked on January 23, 2019* -
## Geometric progression

If the continued product of three numbers in G.P. is 216 and the sum of their products in pair is 156. Find the numbers.

*asked on October 13, 2016* -
## Geometric progression

First term and the sum of an infinite G.P. are 2 and 3 respectively. find the common ratio and sum upto n term.

*asked on October 13, 2016* -
## 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

*asked on December 11, 2010* -
## Geometric progression

Express 0.54 as a rational number. sir this question answer is 6/11

*asked on October 13, 2016* -
## Geometric progression

The sum of n terms of a series is a.2n-b, find its nth term. are the terms of this series in G.P. ?

*asked on October 13, 2016* -
## Science

500g of water at 100°c is mixed with 300g of water at 20°c.specific heat capacity of water is 4.2Jg°c.find the final temperature of mixture. (Physics)

*asked on September 5, 2016* -
## Physical Chemistry

The weight of one atom of uranium is 238amu. Its actual weight is ......g.

*asked on April 21, 2015* -
## Geometric progression

Find the sum of series: 1+3x+9x2+27x3+...to

*asked on October 13, 2016* -
## Physics

A person can see an object in focus only if the object is no farther than 35 cm from the right eye and 58 cm from the left eye. Write a prescription for the refractive powers ℛ (in diopters) for the person's corrective lenses. right eye dpt left eye dpt

*asked on March 4, 2016* -
## 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?

*asked on May 31, 2011* -
## Trigonometry

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

*asked on November 17, 2010* -
## Geography

What happens when we move vertically upwards from the Earth ?

*asked on August 10, 2018* -
## Geometric progression

Find the sum of the series 4+44+444+....to n terms.

*asked on October 13, 2016* -
## Geometric progression

The first term of an infinite geometric progression is 1 and the sum of the terms is 13, find common ratio.

*asked on October 13, 2016* -
## Math

Express 0.54 as a rational number.

*asked on October 13, 2016* -
## geometry

if a circle is divided into 12 parts then what is the measure of each part in terms of radius

*asked on January 9, 2016* -
## algebra

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

*asked on June 22, 2014* -
## 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?

*asked on April 2, 2012* -
## Physics

Find the distance of the image when an object is placed on the principal axis at a distance of 10 cm. In front of concave mirror whose radius of curvature is 8 cm

*asked on March 24, 2017* -
## physics

which type of forces does a proton exerts on a proton inside nucleus? my answer-repulsion force

*asked on August 15, 2015* -
## physics

Two identical small marbles A and B can be seen. A is at rest while B moves towards A at uniform velocity. The track is smooth towards left of P while it offers a resistance of 0.1 m/s2 towards its right. After some time, the marbles are seen at rest 25cms

*asked on September 20, 2014* -
## physics

Three point sized bodies each of mass M are fixed at three corners of light triangular frame . In the above problem about an axis perpendicular to the plane of frame and passing through a corner of frame the moment of inertia of three bodiea is ??

*asked on September 6, 2017* -
## Geometric progression

Three numbers whose sum is 15 are in A.P. If 1,4,19 be added to them respectively the resulting number are in G.P find

*asked on October 13, 2016* -
## Math

Sin square 5 degree plus Sin square 10 degree plus Sin square 15 degree plus..........Sin square 90 degree

*asked on August 4, 2014* -
## geometry

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

*asked on February 7, 2013* -
## Maths

If the area of rhombus is 240sq m and perineter is 68m find the length of diagonal.

*asked on June 8, 2018* -
## Geometric progression

If the fifth term of a G.P. Is 81 and second term is 24, find the g.p. Sir this question answer 16,24,36,54 please help

*asked on October 14, 2016* -
## Math

n2-15n+100

*asked on October 13, 2016* -
## 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

*asked on June 17, 2014* -
## english

poem of nature thha have mataphor,simile,persinofi

*asked on April 10, 2011* -
## dp

What is the pressure due to a man weighing 80 kg standing on his feet? Area of his feet 160 Sq. Cm

*asked on November 27, 2016* -
## Geometric progression

Find the sum of 8 terms of the G.P. 3,6,12,24,..... .

*asked on October 13, 2016* -
## Geometric progression

The sum of infinite number of terms of a decreasing G.P is 4 and the sum of the squares of its terms to infinity is 1/3

*asked on October 13, 2016* -
## Rt

if a boy present age is 7 yr & his uncle present age is 31 after how many yr his uncle age was twice of his boy age

*asked on April 30, 2016* -
## dps dhanbad

subject: math. distance=8m,speed=42/5centi/sec,time=?

*asked on November 30, 2015* -
## physics

Define Newton's first law .

*asked on December 7, 2014* -
## math

find twonumbers such that the sum of twice the first and thric the second is 92 and four times the exceeds seven times the second by 2

*asked on November 27, 2014* -
## physics

if a electricity genreter move with the speed of 60km/h how much electricity they generate in 1 minute in volt

*asked on September 8, 2014* -
## logical thinking

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

*asked on July 23, 2014* -
## maths

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

*asked on February 4, 2014* -
## physics

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

*asked on January 2, 2014* -
## 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

*asked on December 15, 2013* -
## General knowlegde

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

*asked on March 23, 2011* -
## Tourism

A person personality stay the same throughout life

*asked on March 29, 2018* -
## math

ice in a refrigerator melts at rate of 3 kg per hour. the temperature outside is 27°c. find the minimum power output of a motor used to drive the refrigerator,which just prevents ice from melting. latent heat of ice = 80 cal/g,J=4.2 joule/cal, 1 h.p = 746

*asked on March 29, 2017* -
## Math

a swimming pool is 40m long 25m wide 6m deep find a cost of cementing of its floor and walls at the rates of ₹135 square per meter

*asked on February 1, 2017* -
## Geometric progression

Fin the sum of the series 1+2+4+8+....to 12 terms.

*asked on October 13, 2016* -
## Geometric progression

Find the nth term and the sum to n terms of the series: 1+(1+2)+(1+2+2>2)+.....

*asked on October 13, 2016* -
## Math

Show that of all the rectangle inscribed in a given circle,the square has the max area

*asked on July 25, 2016* -
## chemistry

Henry's law constant for N2 and O2 is 1.6 *10^-6and 8.77*10^-7 molal/mm Hg at 298k.Air has 78 mole percentage N2 and 21 mole percentage O2.at atmospheric pressure the ratio of solubility of N2 and O2 in water is?

*asked on May 10, 2016*

## Pages

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