Newton

Most popular questions and responses by Newton
  1. physics

    In an experiment to estimate the diameter of an oil molecule,an oil drop of diameter 0.05cm spreads over a circular patch whose diameter is 20cm. ยก)determine the volume of the oil drop.

    asked on April 20, 2017
  2. calculus.can you help me on these as well@sir collins

    integrate sin^7xdx

    asked on April 19, 2016
  3. Chemistry

    A student was asked to prepare a sample of copper(ii)sulphate crystals(CUSO4.5H2O) given 5g of of copper (ii)oxide (CUO) as the starting material.if 10g of dry crystals of CUSO4.5H2O were obtained,calculate the percentage yield???

    asked on May 10, 2015
  4. maths plz help!!

    A hose ejects water at 80cl/s through a hole 2mm in diameter.the water implinge a wall and drop off without rebounding.what is the force on the wall? working plz thanks

    asked on April 14, 2016
  5. calculus help

    integrate cos^10xdx.. .plz show working i really wanna learn these thanks anyway

    asked on April 17, 2016
  6. Chemistry

    A mixture of powdered carbon and an oxide of lead was heated producing lead metal and carbon dioxide.when 13.70g of the lead oxide was reduced to lead by carbon,960cm^3 of carbon dioxide measured at r.t.p was formed. Calculate the empirical formular of the

    asked on May 10, 2015
  7. Java progamming 1

    I want the program to ask for and get the price of a book from a user. The program will then multiply the price by 7% sales tax and display both the sales tax and final price of the book (price + sales tax) on the screen. using Netbeans

    asked on February 11, 2013
  8. calculus very hard help

    integrate:cos^10xdx even with the previous hint a tutor here gave me i still don,t know it

    asked on April 19, 2016
  9. maths help!

    find the mass of the earth assuming the radius is 6400km

    asked on April 3, 2016
  10. physics

    the volume v of a sphere of radius r is given by v=4/3pie r^3 what is the fractional change in v for a fractional change in r

    asked on September 25, 2014
  11. math place value

    how many tens if there were no hundred dollars for eg:200=what?

    asked on March 12, 2013
  12. math

    how many tens if there were no hundred dollars?

    asked on March 12, 2013
  13. programming

    Declare a string variable name myName

    asked on February 13, 2013
  14. physics

    what is an e.m.f

    asked on October 23, 2011
  15. Physics

    2. On the inside of an airplane the air pressure is about 85% of the atmospheric pressure at sea-level while outside, when it is cruising, the pressure is about 25% of the sealevel atmospheric pressure. If a window is 0.46 m in diameter, what is the net

    asked on February 11, 2011
  1. 7th grade Lang. Arts

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    posted on November 23, 2018
  2. physics

    PE going into the down side: mgH KE is translational, and rotational or mgH=1/2 m v^2 + 1/2 Imr^2*w^2 mgH=1/2 m v^2 + 1/2 (1/2)mr^2*w^2 but when rolling, w=v/r mgH=1/2 m v^2+1/4*mv^2 =3/4mv^2 On the second side, rolling doesn t happen, the shell just

    posted on April 24, 2018
  3. physics

    PE going into the down side: mgH KE is translational, and rotational or mgH=1/2 m v^2 + 1/2 Imr^2*w^2 mgH=1/2 m v^2 + 1/2 (1/2)mr^2*w^2 but when rolling, w=v/r mgH=1/2 m v^2+1/4*mv^2 =3/4mv^2 On the second side, rolling doesn t happen, the shell just

    posted on April 20, 2018
  4. physics

    ? PE going into the down side: mgH KE is translational, and rotational or mgH=1/2 m v^2 + 1/2 Imr^2*w^2 mgH=1/2 m v^2 + 1/2 (1/2)mr^2*w^2 but when rolling, w=v/r mgH=1/2 m v^2+1/4*mv^2 On the second side, rolling doesn t happen, the shell just spins, and

    posted on April 20, 2018
  5. calculus.can you help me on these as well@sir collins

    thanks you

    posted on April 19, 2016
  6. calculus very hard help

    thank you very much sir collins

    posted on April 19, 2016
  7. Trigonometry

    First start by converting the angle in radians to degrees, hence will have Sin(90-x)=cos x =sin90cosx-cos90sinx, sin 90=1 and cos 90=0 =1(cos x)- 0(sin x) =cos x (proved)

    posted on May 10, 2015