Total # Posts: 17
calculus.can you help me on these as well@sir collins
April 19, 2016
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
April 14, 2016
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 lead oxide???
May 10, 2015
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???
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
February 11, 2013
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 outward force on the ...
February 11, 2011