A ball that has a mechanical energy of 65 has 12 J of kinetic energy. The ball has
Jof potential energy

In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause

An observation that requires measurement is called quantitative observable or qualitative

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients