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
?
.
?
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.
Answer: C
You might also like to view...
A copper metal electrode is in a solution of
The driver of a motorboat that can move at 10 m/s wishes to travel directly across a narrow strait in which the current flows at 5 m/s
(a) At what angle upstream should the driver head the boat? (b) How long will it take to cross a distance of 1.6 km?
Why is Mercury's magnetic field so weak, relative to Earth's?
A. Mercury's rotation is too slow to generate a strong field. B. Mercury has a solid core that cannot sustain a strong field. C. Mercury has a very small iron core that cannot sustain a strong field. D. Mercury's dayside temperature is too high for a strong field to form.
Why are periods the most fundamental time unit?
What will be an ideal response?