Homework Statement
Given that the surface ares of a sphere is 36(pi)x^2+24(pi)x+12(pi) , state the volume of a cylinder that would exactly contain the sphere. (note that the height of the cylinder is twice the radius of the sphere).Homework Equations
Sphere SA= 4(pi)r^2
VolCylinder= (pi)r^2h...
Homework Statement
If we divide f(x)= x^3+qx^2-x-2 by x+1, we get the same remainder as if we divide it by x-2. Determine the value of q
Homework Equations
f(x)= x^3+qx^2-x-2
The Attempt at a Solution
I tried to plug in f(-1) into the equation, and then f(2) into the equation...
Yeah, no its really basic i guess.. here's what i tried, but I am not sure if its right!
i got Epi, Eki, and Epf. i used Epi + Eki = Epf + Ekf to isolate for Ekf...
after that, i used Ekf in the equation of v=(root)[2Ek/m) and found a velocity.
My only question is... does that method...
Homework Statement
I have a roller coaster with 6 segments. i must find the speed, potential energy, and kinetic energy at the beggining and end of each segment that a marble rolls through.
Lets say that the marble is 8.47kg in mass, and i have one segment of the coaster having a distance...
Homework Statement
An archaeologist finds an oak wine cask in one of her digs. Testing the activity from the radioactive carbon-14 in the cask reveals that it is only one-quarter that of the activity coming from the modern sample of the same type of oak. How old is the sample?
Homework...