If two objects are compared at a certain distance, according to Newton's law of universal gravitation, what is true? Complete th
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<u>Answer</u>
The combined displacement is 2km north
<u>Explanation</u>
Since displacement is a vector quantity, we take into account the direction.
Good for us all the displacement vectors are in the same dimension, so we can make north positive and south negative or vice-versa.
We now add to obtain,
This will simplify to
Therefore the combined displacement is 2km north
The feather's vertical position is determined by
We take the feather's starting position to be the origin, and the downward direction to be positive. Then
so the answer is D.