Mark runs around a 200 m track 4 times and wins his race when he crosses
the finish line. What is Mark's distance and
what is his displacement?

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

Ways that industry and agriculture use physical properties to separate substances