A snail is traveling down a sidewalk. You are curious how fast a snail really moves. You decide to record him for 60 seconds. The snail travels 48 cm in that time. What was the snail's speed?

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.