An arrow fired horizontally at 27m/s travels 68m horizontally before it hits the ground. from what height was it fired?

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.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Explain what will happen if decomposers were apsent from a forest ecoysystem.