A man is sitting in a car moving with a speed of 54 km/h observes a man b on front of the car crossing perpendicularly a road of 15 m in three seconds . then the velocity of man b will be
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"Since both man A & B are moving perpendicular to each other, velocity of B with respect to A is equal to that of B with respect to earth.
Thus the velocity of man B = Distance / Time = 15 m / 3 s
Velocity of Man B = 5 m/s
"
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