Discover Questions

Find the vertex of: y=8+2x-x^2? Is the collision of cosmic rays on the earth the cause of its spinning speed changes? On a roller coaster, a student experiences an apparent weight of 1150 N while accelerating at 3.5 m/s^2 [U]. What is the students mass? How would you solve this?1/5+10/x I know the answer is x+50/5x just curious about the correct steps.? Does an electric field actually relate interaction between electric masses?