What type of waves knocked over the glass ? mechanical or electromagnetic?

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

What determines the amount of inertia an object has

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v