Akid on a playground swing makes 6 complete to-and-fro swings each 30 seconds.
the frequency of the swinging is
the period of the swinging is
(i don't really understand this can someone explain.)

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.