Juan is on a morning jog. his speed is represented in the graph. at what rate of speed is juan running between 4min and 6min? according to this graph, what can you tell about juan's motion between 7min and 11min? if juan had maintained the same speed as in the first 7min, how long would it have taken him to run 3000m? explain your answer

On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)