Finding the centroid of a semi-circle using integration
![](https://i.ytimg.com/vi/ij77YxE9elU/mqdefault.jpg)
15:13
The integral formulas for the centroid of a region (center of mass)
![](https://i.ytimg.com/vi/5oil5x9tVhg/mqdefault.jpg)
8:55
How to find the centroid of simple composite shapes
![](https://i.ytimg.com/vi/u2VOwgWb2Hk/mqdefault.jpg)
13:41
Proving the volume and the surface area of a sphere by using integrals
![](https://i.ytimg.com/vi/JWM7_SjqDyo/mqdefault.jpg)
12:34
an interesting limit
![](https://i.ytimg.com/vi/nBdffPVzxX0/mqdefault.jpg)
13:49
How to find the maximum curvature of y=e^x
![](https://i.ytimg.com/vi/KGYzjQczpHE/mqdefault.jpg)
14:39
Q313, Centroid formulas of a region bounded by two curves
![](https://i.ytimg.com/vi/xt9_h1_gRTA/mqdefault.jpg)
16:30
Verify by integration that the perimeter of a circle is 2 (pi) r
![](https://i.ytimg.com/vi/ma9Aw0pJ9Xk/mqdefault.jpg)
14:47