Is a body which is moving in a negative direction but has a positive acceleration speeding up or slowing down?
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Answer:
Please check the attached file for the diagram
Explanation:
The velocity of the of the rowboat through the river is the resultant velocity. It is obtained taking a vector sum of the velocity in still water and the velocity of the river.
There are several ways to take this vector sum, but the question makes it simple for us to use Pythagoras's theorem because the East and North directions are perpendicular to each other.
Hence;
