Two solid spheres of radius r made of the same type of steel are placed in contact, as shown in the figures above. The magnitude of the gravitational force that they exert on each other is f1. When two other solid spheres of radius 3r made of this steel are placed in contact, what is the magnitude of the gravitational force that they exert on each other?.

If you perfer to learn by reading to yourself instead of participating in a group discussing, you are most likely an

If point e(5, h) is on the line that contains a(0, 1) and b(−2, −1), what is the value of h? a)-1 b)0 c) 1 d) 6 !

Based on the narrator's comments about living with the widow douglas, the reader can infer that a) the narrator doesn't care much for civilization and its strict rules. b) the narrator admires and wants to become more civilized and refined. c) the narrator is extremely religious and of high moral standing. d) the narrator desires to become a productive member of society.