Newton
Most popular questions and responses by Newton
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 
calculus.can you help me on these as well@sir collins
integrate sin^7xdx
asked on April 19, 2016 
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 
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 
calculus help
integrate cos^10xdx.. .plz show working i really wanna learn these thanks anyway
asked on April 17, 2016 
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 
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 
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 
maths help!
find the mass of the earth assuming the radius is 6400km
asked on April 3, 2016 
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 
math place value
how many tens if there were no hundred dollars for eg:200=what?
asked on March 12, 2013 
math
how many tens if there were no hundred dollars?
asked on March 12, 2013 
programming
Declare a string variable name myName
asked on February 13, 2013 
physics
what is an e.m.f
asked on October 23, 2011 
Physics
2. On the inside of an airplane the air pressure is about 85% of the atmospheric pressure at sealevel 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

7th grade Lang. Arts
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posted on November 23, 2018 
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 
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 
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 
calculus.can you help me on these as well@sir collins
thanks you
posted on April 19, 2016 
calculus very hard help
thank you very much sir collins
posted on April 19, 2016 
Trigonometry
First start by converting the angle in radians to degrees, hence will have Sin(90x)=cos x =sin90cosxcos90sinx, sin 90=1 and cos 90=0 =1(cos x) 0(sin x) =cos x (proved)
posted on May 10, 2015