B is correct. Ever wondered why ice floats in water?
'I believe that there is 20 grams of sugar in the smoothies.'
I don't know, just an idea.
Define unit vectors as follows:
is in the eastern direction.
is in the northern direction.
The position of the first bird is
The position of the second bird is
Let θ = the angle between the net displacement vector for the two birds.
By definition,
Similarly,
|b| = 4.025
Therefore
Answer: 36.9°