I use the impulse momentum formula.
the 4.0 kilogram ball requires more force to stop
Answer: H
Explanation:
When beavers dam a stream they slow the movement of water. Behind the beaver dam, a pond of still water is formed. This pond is then colonized by animals and plants that typically live in lakes rather than streams.
D is the best answer. In many physics problems we treat an extended object as if it were a point with the same mass located at the center of mass.
I think analog but I could be wrong