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(III) Two cars approach a street corner at right angles to
each other (Fig. 3–47). Car 1 travels at a speed relative
to Earth vIE = 35 km/h, and car 2 at v2E = 55 km/h.
What is the relative
2
velocity of car 1 as
seen by car 2? What
is the velocity of car 2
relative to car 1?
2E
1E
FIGURE 3-47
Problem 51.

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