Explanation:
if the elevator is moving upward with the constant speed the spring scale will read 18 N which is the mass of each of the two blocks attached by separate springs to the scale at opposite ends.
Answer:
you divide the distance by the time it takes to travel that same distance, then you add your direction to it.
Take breaks and drink plenty of water not to much because it will make you sick sorry apparently pu ke is a bad word.