(a) With respect to the ground, a car is traveling at a velocity of vCG and a raindrop is falling at a velocity of vRG. The rear window of the car is inclined at an angle W with respect to the vertical. (b) This tail-to-head arrangement of vectors corresponds to the equation vRCvRGvCG.
Figure 3.20  (a) With respect to the ground, a car is traveling at a velocity of vCG and a raindrop is falling at a velocity of vRG. The rear window of the car is inclined at an angle q W with respect to the vertical. (b) This tail-to-head arrangement of vectors corresponds to the equation vRC=vRG–vCG.


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