A bicyclist rides 16 km in 30 min. What is the bicyclist’s average speed in km/h?
{ Halp Meh }

32km/hr

Explanation:

he rode 16km in 30 min

30 min = 1/2 hr

16 * 2 = 32

32km/hr

Hope this helps :)

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.