In the evening, the shadow of an object is very long due to the low position of the Sun. A 20m height lamp
1 answer:
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Answer:
First Option
Step-by-step explanation:
To graphically add two vectors a and b using the -tail and tip-method, you must draw the tail of b at the tip of the vector a. Then you must draw a line that goes from the tail of a to the tip of b. This line represents the sum of .
In this problem, notice that the tail of the vector w is on the tip of the vector v. The line that joins the tail of v with the tip of w is u.
Therefore we can say that .
The answer is the first option
Convert to cylindrical coordinates:
Then is the set of points
such that
,
, and
or
.
Now