A sledder begins from rest on an incline at a location near the top of a small hill (initial state) and slides effortlessly to ground level at the bottom of the hill (final state). Assume negligible friction and air resistance.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.