I need the answer on number 5
1 answer:
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Curl is defined as:
Which can be rewritten as:
This is because C1 lies on the xy plane and thus it's unit vector will be .
By similar arguments the rest will follow too.
Now, area of each circle will be:
Therefore, Curl, as per our definition will be:
Thus, Curl=
Which is the required answer.
The expression is:
Why?
From the statement we know that the spaceship travels 3 times faster each minute that it traveled during the minute before, it can be expressed using an exponential function, its base will be the starting speed (during the first minute).
The expression will be:
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