- #1
MisterP
- 47
- 3
Homework Statement
Calculate radius of rotating wheel. Linear speed of point "a" (red dot) is 2.5 times faster than linear speed of point "b"(blue dot) that is 5cm closer to center of wheel. Right answer is 8.33cm. I drew a sketch without linear line.
Homework Equations
The Attempt at a Solution
So, I tried to make this equation system consisting 2 equations..
a - b = 5
a - 2.5b = 0
I used Cramer`s rule to solve this.