When you interpret a distance-time graph, the speed of the object is determined by . a
looking at the values on the x-axis
b
finding the slope of the graph line
c
finding the length of the graph line
d
looking at the values on the y-axis

answerscientific theory;

answerdmitry mendeleyev made a workable classification of the elements

the moving of the box is a result of centripetal force. think of that  as a car or a truck in this case creates a turn, the force of friction performing upon the turned wheels of the car runs centripetal force obligatory for circular motion for the things inside it.