As we know that, the total distance covered, S = final reading of odometer – initial reading of odometer = (4460 – 4200) km = 260 km Total displacement = 0 km Total time taken, t = 4 h 20 ...
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Let “s” be the distance covered, then – t₁ = s/2/3 = s/6 s/2 = 4.5t₂ + 7.5t₃ = 12t₂ Average Speed = Total Distance/Total Time = S / s/6 + s/24 + s/24 = 4 m/s
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