At which point is the velocity the greatest?
At which points is the velocity O m/s?
At which point is the acceleration 0 m/s2?
At which points is the acceleration the greatest?

Why don't you see your reflection in water with waves or repples

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.

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?