Answer:
D: Increase the distance between the objects.
E: Decrease the mass of one of the objects.
1.) C
2.) B
3.) D
4.) B
Good luck with your work!
The sphere slow down due to friction force between the surface of the sphere and the surface on that the sphere is rolling . The friction force acting against the motion of the sphere. Thats why it is slowed down. In fact not only a sphere, anything can not slow down untill a force act against it's motion.
Bourne believed that an object would float or sink at will as long as he could <span>manipulate the effect's of buoyancy which control and object to sink or float. Hope this helps!
</span>
