Describe the relationship between kinetic energy and potential energy on a roller coaster

Mga halaman/punong ornamental na di namumulaklak

What causes the formation of ocean currents?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.