A ball is released at the top of a ramp at t = 0. Which is the speed of the ball at t = 4?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

What is the role of lenses in microscopy?