Friday
May 24, 2013

# Posts by cl

Total # Posts: 54

math
A ferris wheel has radius of 25 m and its centre is 27 m above the ground. It rotates once every 40 seconds. Sandy gets on the ferris wheel at its lowest point and the wheel starts to rotate. Determine a sinusodial equation that gives her height, h, above the ground as a funct...

math
is there a formula for an INFINITE ARITHMETIC series/sequence? i know its not s = a / 1-r.. thats for geometric.

math 12 - sequences and series
Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine a) An expression, in simplified form, for Sn-1 in tmers of n b) an expression, in simplified form, for the nth terms, tn in terms of n

chemistry
What weight of H2 at STP could be contained in a vessel that holds 4g of oxygen at STP? First, I used the Ideal Gas Law to find the volume of oxygen at STP, but im not sure what to do from there..

biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.

b/2-15 = 16 b/2 = 16 + 15 b/2 = 31 b = 31 * 2 b = 62 answer A!

biology
Compare the chemical composition of the contents of the stomach one hour after eating a meal containing proteins, carbohydrates, and fats, to the contents of the small intestine several hours later.

chemistry
yes we did. so would it slow or speed up the rate of the reaction?

chemistry
today, i did a lab on the molar volume of hydrogen gas. in this experiment, we poured around 10 mL of hydrocholric acid into a gas collection tube with water and measured the volume of gas to be around 20.9 mL. would changing the molarity of the hydrochloric acid affect the fi...

french
in correspondance to my last post.. i was wondering.. how does one say "you know me better than that!" in french? that's wat i meant when i wrote.. Tu dois me savoir mieux que cela!

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