The Site from Which an Airplane Takes Off Is the Origin

question 76

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 magnitude, in meters, of the plane's displacement from the origin is

• A) 9.14 × 10³.
• B) 1.61 × 10⁴.
• C) 1.84 × 10⁴.
• D) 9.14 × 10³t.
• E) 1.61 × 10⁴t.

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