Four objects are situated along the y axis as follows: a 2.02 kg object is at 3.03 m, a 2.92 kg object is at 2.43 m, a 2.53 kg object is at the origin, and a 4.02 kg object is at -0.501 m. What is the y-component of the center of mass of these objects

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

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.