This was on my exam today and I'm not sure if I was doing it right:
At what angle must a projectile be launched at so that the circumferential radius at the axel (top) is 1/8 the circumferential radius of the initial position.
This was all we were given (and I'm not posting my answer as it...
Homework Statement
When building a tall support, often the self weight of the support must be considered. For an optimal support, the volume of material, and hence the cost, will be a minimum. If the maximum allowable stress in concrete is 12 MPa, determine the optimal geometry of the column...