¿Con qué técnica o técnicas separarías
los componentes de una suspensión de
tierra
y agua?​

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.

What kind of simple machine is a catapult?

At what time will the interfering waves have an amplitudeof zero?