N-Pointed Stars
We are all familiar with a pentagram, a five pointed star. This star is made by five equal length lines
where each is attached to the previous one and rotated through an angle of (2x360)/5 = 144 degrees.
The fifth side connects to the init
Centers of Mass for a Triangle
Let ABC be a triangle with vertices cfw_A,B,C and sides cfw_a,b,c.
1. If mass is equally distributed on the three vertices, where is the center of mass?
CoM is located at the median of the vertices of the triangle, the centr
Quiz #1 for MATH 3321
Find the general solution of the following ordinary dierential equations:
y + 2ty = 5t
A metal bar with initial temperature 75o C is dropped into a container of ice water 0o C. After 10
seconds, the temperature of the bar is 60o C.