John and Jane are in a 1600 meter race. John Runs at a constant speed of 5.5 m/s. Jane runs at a 6.75 m/s for the first 600 meters, and then 5.0 m/s for the last 1000 meters. How much time did each person take to run the race? who won?

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Is the number of complete movements of a wave per second.