# Posts by jahil

Total # Posts: 16

Physics
A 2.50- object is moving along the axis at 1.60 . As it passes the origin, two forces and are applied, both in the direction (plus or minus); .The forces are applied for 3.00 , after which the object is at the point , . What is F2?

physics
Vector V(with an arrow at the top) represents a displacement of 120. at 29.0 counterclockwise from the x axis. Write unit in Vector notation... Help!

Calculus 1 Related Rates
Thank you so much Reiny you rock! I was putting that .406 in for V but i did have 620 with the 33.0^-1/2. Thanks you Rock!!!!!

Calculus 1 Related Rates
Water is discharged from a pipeline at a velocity v(in ft/sec) given by v=1240p^(1/2), where p is the pressure (in psi). I f the water pressure is changing at a rate of 0.406 psi/sec, find the acceleration(dv/dt) of the water when p=33.0 psi. I know the answer is suppose to be...

Calculus 1 Implicit differentiation
Help please help me understand what i am doing wrong in this problem! x^3+3x^2y+y^3=8 find dy/dx using implict differentiation. The answer is x^2+2xy -------- but i keep getting x^2y x^2+y^2 ----- x^2+y^2

Chemistry/Math
So if i were asked for grams of Hydrogen per day? it would be 1 mole H20 X 2 grams of H/1 mole H20

Chemistry/Math
I think so could you critique this? 1. I came up with 1000grams of H20 2. 1 mole H20 X 6.022X10^23/1 mole H20=6.0222X10^23 Molecules Oxygen 3. 1 mole H20 x 1 atom of oxygen/1 mole H20= 1 atom of Oxygen Is this correct I really am trying to learn and understand this so that I ...

Chemistry/Math
If a doctor tells you to drink 1 liter of water per day, answer the following questions(assuming the density of water to be 1g/mL): 1. The number of grams of water per day? 2.The number of molecules of oxygen per day? 3. The number of atoms of oxygen per day? Please show how ...

College Chemistry
thanks so in any other question i can still use to as my base number raised to whatever half life is provided?

College Chemistry
For a certain first-order reaction the rate constan is 2.9 s-1. what is the fraction of the reactant remaining after 4 half lives?

College Chemistry
i still don't get it. (H+)=x/0.050M

College Chemistry
what is the approximate pH of a solution labeled 0.050 M HClO? I realized my mistake on my last post but this isnt a strong acid nor a strong base so how do i solve this?

College Chemistry
4.2 thank you so much do u have time for another one?

College Chemistry
What is the approximate pH of a solution labeled 6 x 10^-5 M HBr?

college Chemistry
0.0124/121.64= 1.02 x 10^-4g/mol 1.02 x 10^-4/ .5= 2.04 x 10^-4 2.04 x 10^-4*2=4.08x 10^-4 -log(4.08 x 10^-4)= 3.39 14-3.39=10.61 thank you so much!!!!!!

college Chemistry
What is thhe pH of 500mL of solution containing 0.0124 grams of Ca(OH)2?

1. Pages:
2. 1