Astudent pushes a box to slide it across the floor. which statement explains why the box begins to move? a. the weight of the box is greater than the force of friction. b. the weight of the box is less than the force of friction. c. the applied force is greater than the force of friction. d. the applied force is less than the force of friction.

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?