Rafi made a diagram to compare Newton's universal law of gravitation with Einstein's general theory of relativity. A venn diagram with 2 intersecting circles. The circle on the left is labeled Newton's ideas and the circle on the right is labeled Einstein's ideas. There is an X in the intersecting area. Which label belongs in the area marked X? Earth pulls objects toward its center. Gravity causes objects to fall to the ground. The curvature of space-time pushes objects toward the ground. Gravity is an attractive force in the universe.

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?