A glass with a mass of 0.45 kg falls off the table and onto the floor

What is the mechanical energy of the glass when it is 0.12 m above the floor traveling at 4.2 m/s

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

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.

Avoltaic cell converts chemical energy to