Discover Questions

Is it possible that humans orignially evolved from mushrooms? Is the sky actually up? What is the value of the force acting upon the ball at point C? Where does the ball turn around ? ( Physics)? HOW TO SOLVE 2.41=SQRT{[(-5.69+3.6e-9X)/2]^2 +(7.03E-6x)^2} +(-5.69+3.6e-9x)/2? On a 1-10 scale, how dangerous can electron emitters be. 1 - Hardly even hurts a fly
10 - Keep as far away from it as possible?