11 3.WA 032. 0/6 Submissions Used On a straight, level, two-lane road, two cars

Question

11 3.WA 032. 0/6 Submissions Used On a straight, level, two-lane road, two cars moving in opposite directions approach and pass each other CarA is n the eastbound lane moving with a speed of 12 m/s, and Car B is in the westbound lane moving with a speed of 28 m/' (a) What is the magnitude, in m/s, and what is the direction of the velocity of car A as seen by the driver of car B magnitude direction m/s ..-Select (o) What is the magnitude, in m/s, and what is the direction of the vetlocity of car B as seen by the driver of car magnitude m/s direction Select-- Submit Answer Save Progress

Explanation / Answer

5) a) Taking east as positive direction and west as negative direction

Va = +12 m/s

Vb = -28 m/s

speed of car A as seen by B = 12 - (-28) = 40 m/s (eastwards)

b) speed of car B as seen by A = -28 - 12 = -40 m/s

= 40 m/s (westwards)

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