Which of the following best explains whether or not the video clip was accurate in its depiction of cannons and cannonballs?

If element x has 99 protons how many electrons does it have

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.

Metals are good conductors of electricity because they