The drawing shows two cars traveling in different directions with different spee

Question

The drawing shows two cars traveling in different directions with different speeds. Their velocities are:

The driver of car B looks out the window and sees car A. What is the velocity (magnitude and direction) of car A as observed by the driver of car B? In other words, what is the velocity vAB of car A relative to car B?

http://edugen.wileyplus.com/edugen/courses/crs6407/art/qb/qu/c03/c03_q_16.gif

The magnitude vAB of the velocity of car A relative to car B is?

The angle that the velocity vAB makes with respect to due east is?

The drawing shows two cars traveling in different directions with different speeds. Their velocities are: vAG = velocity of car A relative to the Ground = 29.7 m/s, due east vBG = velocity of car B relative to the Ground = 21.0 m/s, due north The driver of car B looks out the window and sees car A. What is the velocity (magnitude and direction) of car A as observed by the driver of car B? In other words, what is the velocity vAB of car A relative to car B? The magnitude vAB of the velocity of car A relative to car B is? The angle that the velocity vAB makes with respect to due east is?

Explanation / Answer

magnitude=sqrt(29.7^2+21^2)=36.37m/s

the spped is east and south

angle=atan(21/29.7)=35.26 degree south of east

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