A hoop of mass 1.8kg and radius 70cm has a string wrapped around its circumference and lies flat on a horizontal frictionless table. The string is pulled with a constant force 4 N. How far does the center of the hoop travel in 5 s?

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.