Explode a mountajn

How fast would you have to throw a rock in order to explode a mountain?

As fast as Id have to to escape my depression

Well only 1 m/s given that it's the right density.

Speed of light because E = mc^2

More than 5, less than 13.

This. OP is a fag

Super hihg speed.

...

This

Square root of two times of binding energy of a mountain divided by the rock's mass