Two skaters, one of mass 50 kg and other of mass 30 kg, initially at rest, stand together and push away from each other. The skater with mass 30 kg moves with a velocity 1.5 m/s to the east. What is the velocity of the other skater? (Neglect friction of the surface).

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

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.

Which subatomic particle has a negative charge