Two small masses that are .10m apart attract each other with a force of 10 N. When they are .05 m apart, these masses will attract each other with what force? 5.0 N
2.5 N
20 N
40 N

Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters