What is the work done by a force equivalent to the weight of 100kg that moves an object 200km in 7.0min? Please guys can somebody helps me :(

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.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Which one of the following research methods can show cause and effect