physich
initial momentum = final momentum m1v1(initial) + m2v2(initial) = m1v1 (final) + m2v2 (final) Initial Final m1 = m m1 = m v1 = 280 m/s v1 = ? m2 = 16m m2 = 16m v2 = 0 v2 = ? Plug them in and cancel out your ms and solve for v1 or v2. Then go back and plug that solved value int...
algebra
35 cents to $2.20. Whats the question?
Economics
Would Wells Fargo's market structure be Monopolistic competition?
Physics
I found the average acceleration of earths orbit around the sun over a period of 5 days by calculating delta theta and dividing by radius and 1/T. I got the right answer but as I am studying for my test, I am seeing the units do not work...does this make sense? Can someone der...
Chemistry
In the experiment 0.500 g of copper reacted with oxygen to give 0.563 g of copper oxide. What is the empirical formula of the oxide expressed as a chemical formula?
Physics
How do I find the instantaneous acceleration of the earth orbiting the sun? Everything I am trying is incorrect. I am using 1 second as my time and get 1.99E-7 rads/second. First I tried: acceleration = theta x t / radius Where: theta = 1.99E-7 rads radius = 6.371E6 Then I tri...
Physics
Trying to find escape speed from a planet and I am given the radius and gravitational field - g = 18 m/s^2. I have the conservation of energy, final energy is zero, I have the formula for V = sqrt 2GM/r, u = mgy. I have too many unknowns...I can't solve anything. What am I...
Chemistry
hmm. I'm a bit stumped. Why did the instructions say it is not a simple mol/L calculation? You must have the quantity of the acetone/impurity mix? At that point, you could simply say that you have so many grams / L of acetone. But, since it's not a straight calculation...
Chemistry
hmm. I think you're leaving information out. Concentration is found by mass of acetone / volume liquid. Dividing initial volume by final volume leaves you with a unitless number - the percent of impurities maybe, and this isn't helping your case. You should have pretty...
statistics
.08 is the probability for defective parts.
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