The Site from Which an Airplane Takes Off Is the Origin

question 43

Multiple Choice

The site from which an airplane takes off is the origin. The x axis points east; the y axis points straight up. The position and velocity vectors of the plane at a later time are given by ​ and .
​
The plane is most likely

• A)just touching down.
• B)in level flight in the air.
• C)ascending.
• D)descending.
• E)taking off.

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