Witch of these units is NOT used to measure speed? m/s, km/h, mph, km

Define the meaning of the unalienable rights of life liberty and persuit of happiness

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

What is the mass of the same rock on the earth