# Posts by rohan

Total # Posts: 69

**Physics**

Two bodies begin to fall freely from the same height but 2nd one falls T seconds ater 1st.The time(after which the 1st body begin to fall) when the diatance between them is L is: Options 1.T/2 2.T/2+L/gT 3.L/gT 4.T+2L/gT I am not understanding how to find the time and what is ...

*July 15, 2016*

**Physics**

S=ut+1/2at² 2=2u+2a------>(1) 4.8=6u+18a---->(2) Multiplying (1) by 3, 6u+6a=6 6u+18a=4.8 ------------- -12a=1.2 a=-0.1 m/s² Therefore, u=(2-2a)/2= 0.8 m/s Hence, distance travelled in the 10th second is---> S=u-1/2a(2n-1) S=0.8-0.1(20-1)= 0.8-1.9= -1.1m( ...

*June 3, 2016*

**physics**

An aluminum plate of mass 0.1 kg at 95oC is immersed in 0.5 litre of water at 20oC kept inside an insulating container and is then removed. If the temperature of the water is found to be 23oC, then the temperature of the aluminum plate is ___________ oC. (The specific heat of ...

*June 2, 2016*

**science**

4 gm of N aOH are present in 0.1dm3 solution have specific gravity 1.038 gm/ml. calculate: a. Molality of N aOH solution; b. Molarity of N aOH solution.

*May 3, 2016*

**Science**

potassium metal reacts with water to give potassium hydroxide and hydrogen gas How to balance this equation with proper steps?

*April 8, 2016*

**maths**

students are made to stand in equal rows with equal number of students.if 4 students are added to each row ,the number of rows will be reduce by 2 otherwise if 4 students are deducted from each row, the numer of rows will be increased by 3. then find the number of students

*March 28, 2016*

**mumbai**

invite teacher for your birthday party

*December 17, 2015*

**math**

The length, breadth and height of a closed box are respectively 2m, 1.5m and 0.8m. Find the total area of canvas required to cover it-up. Find also the cost of canvas if 1sq m of canvas costs Rs. 30. A rectangular box without lid is to be made by thin sheet of metal. Find the ...

*November 21, 2015*

**math**

Pls give me the solution

*November 21, 2015*

**Maths**

the number of non negative integral solutions of x + y + z ≤ n

*December 1, 2014*

**Maths**

how many ways can 6 coins be chosen from 20, one rupee coins, 10 fifty paise coins, 7 twenty paise coins?

*December 1, 2014*

**Math**

Your answer does not match any of the choices. Please help. g(x) = (x - 6)2 g(x) = (x + 18)2 g(x) = (x + 6)2 - 12 g(x) = (x + 6)2 + 12

*November 24, 2013*

**Math**

Determine the equation of g(x) that results from translating the function f(x) = (x + 6)2 to the right 12 units. g(x) = (x - 6)2 g(x) = (x + 18)2 g(x) = (x + 6)2 - 12 g(x) = (x + 6)2 + 12

*November 24, 2013*

**Math**

Does this mean the answer is D? g(x) = (x + 17)2 g(x) = (x + 14)2 + 3 g(x) = x2 - 11 g(x) = x2 + 17

*November 24, 2013*

**Chemistry(science)**

Calculate number of moles and mlecules present in 0.032 mg of mithene (C=12 H=1)

*August 12, 2013*

**Physics to Elena**

Ex=0 ; Ez=0 Ey = 10 sin(3.14x - 6.08e8 t) what is the time-averaged Poynting vector (magnitude and direction) for the position x=y=z=−3 ?

*May 14, 2013*

**Physics to Elena**

An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of the optical fiber ...

*May 14, 2013*

**Physics to Elena**

thnx Elena :)

*May 14, 2013*

**Physics to Elena**

At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by </S/>=1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane ...

*May 14, 2013*

**Physics**

plz help !

*May 13, 2013*

**Physics**

At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by </S/>=1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane ...

*May 13, 2013*

**Physics**

An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of the optical fiber ...

*May 13, 2013*

**Physics**

neyone who has got the answer for Q8 part a and Q3 part b ?????

*May 11, 2013*

**Physics**

no ur eqn is of the form E= Eo(kx- wt), sooo u can guess nw ! okkay do u hav answers for Q3 part b, Q 1 part g n Q 8 ???

*May 11, 2013*

**Physics**

neyone who has solved Q7 n Q8 ? Q3 part b , Q1 part g..........????

*May 11, 2013*

**Physics**

B0= E0/ speed of case 1 or case 2 u found in abuv parts !

*May 11, 2013*

**Physics**

neyone who has solved Q7 n Q8 ??

*May 11, 2013*

**Physics**

Q3 part b answer plz...!

*May 11, 2013*

**Physics**

Q1 part f and part g formulae plz.....!

*May 11, 2013*

**Physics**

plz someone help...>!

*May 8, 2013*

**Physics**

plz help....!

*May 8, 2013*

**Physics**

plz help..

*May 8, 2013*

**Physics**

remaining answers ??

*May 8, 2013*

**Physics**

plz help....!

*May 8, 2013*

**math**

there are nine flowers 1/3 are daisies 1/3 are roses the rest are tulips

*January 28, 2013*

**AP Chemistry**

Find mass of liquid water required to absorb 3.94 X e4 of heat energy on boiling. Answer in units of g

*September 22, 2012*

**Science math, science, social studies**

a cyclist travels a distance of 4km from P to Q & then moves a distance of 3 km at right angle to PQ . Find displacement graphically

*July 31, 2012*

**mathematics**

use Simpson's Rule with n=10 to approximate the area of the surface obtained by rotating the curve about the x-axis. y = xln(x) from 1 < x < 2

*June 29, 2012*

**physics**

dont know

*June 26, 2012*

**physics**

an object of mass 0.5 kg is whirled at the end of string 0.8 m long if the string make three revolution in 1.2 sec find the tension of the string

*April 26, 2012*

**Chemistry**

A.t.q Mol3cular weight= 56×4/0.34×100

*April 9, 2012*

**Chemistry**

Calculte the amount BTU that would be lost to cool 587lbs of water from 87 degrees F to 49 degrees F.

*March 11, 2012*

**maths**

using Pythagoras theorem half of chord from center = 12/2 = 6 cm. 8square= x square + 6 square 64 = x+36 x square = 64-36 x square = 28 x = 5.291 cm

*February 23, 2012*

**Physics-Math**

1.5 m3 of water is mixed with 0.50 m3 of alcohol. Density of water is 1000 kg m–3 and density of alcohol is 800 kg m–3. Whats the density of the mixture with volume 2.0 m3?

*September 13, 2011*

**maths**

tan5x/4x as lim x approaches to pi

*August 3, 2011*

**maths**

lim tan 5x/4x as x approaches to pi

*August 2, 2011*

**algebra**

if a+2b+c=4 then find the maximum value of ab+bc+ca

*June 9, 2011*

**2nd Grade Math**

I NEED HELP WITH HOW MANY INCHES IS A HEXAGON

*May 23, 2011*

**economics**

haha lol

*January 30, 2011*

**Physics**

what potential difference U is needed such that a point charge (q) between a parralel plate capacitor leaves it at the upper right corner. the capacitor is separated by a distance "d" and the length of each plate is "l"

*September 25, 2010*

**physics**

2minutes 20 secinds=3.5 rounds circumfrence=2pieR displacement=7x22/7xr =22r So the displacement will be 22r

*July 2, 2010*

**business**

explain potential for growth internally and externally in a sole proprietor business

*September 6, 2009*

**business**

Sorry i couldn't come to the office Ms. Sue. I was scared of getting expelled :( Please don't hurt me! Please!

*September 6, 2009*

**business**

Ms. Sue I am very sorry for my behavior I admit it was me because i don't want t get anyone in trouble

*September 6, 2009*

**business**

Sorry Ms. Sue that appears to be some random people spamming.... Please don't get me in trouble, please!

*September 6, 2009*

**business**

i hate this school!!!! and ms. sue!!! hahahahahaha expell me!!!

*September 6, 2009*

**business**

well the business is a grocery and variety store

*September 6, 2009*

**business**

i want to get an explanation for potential for growth internally and externally in the sole proprietor business

*September 6, 2009*

**business**

no.the type of business is a sole proprietor

*September 6, 2009*

**business**

explain potential for growth internally and externally

*September 6, 2009*

**Chemistry**

The answer is definitely "The blank for this experiment must have 100 % transmittance if placed in a spectrometer (Spec 20)."

*April 26, 2009*

**10th grade**

do advertisements do more harm than good

*March 2, 2009*

**Spanish**

What are some national dances and festivals of Honduras?

*September 8, 2008*

**science**

what is modification of plant explain with examples

*September 1, 2007*

**Chemistry**

The answer is definitely A

*July 4, 2007*

**business**

What is meaning of LLC & Entity. A business entity is the way the business is set up to run. It can be a partnership, sole proprietorship, corporation, LLC...these are all entities. A LLC stands for "Limited Liability Corporation." For more information, look here: ...

*April 23, 2007*

**astronomy**

Earths temperature averaged over the year is about 300 Kelvin. At what wavelength does it radiate most strongly? What part of the electromagnetic spectrum does this wavelength lie in? Can you see it? ( you answered my question but it doesnt go under 3000K on the chart. can you...

*April 16, 2007*

**astronomy**

How can you tell what sort of gas is emitting light? light is emitted by molecules...each molecule has a definite and unique signature.

*April 16, 2007*

**astronomy**

Earths temperature averaged over the year is about 300 Kelvin. At what wavelength does it radiate most strongly? What part of the electromagnetic spectrum does this wavelength lie in? Can you see it? http://csep10.phys.utk.edu/astr162/lect/light/planck.html

*April 16, 2007*

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