a man walks on the straight road from his home to market 2.5 away with speed 5km/h finding the market turns we instently turn and walk back speed 7.5 km find avarage speed of time interval of 0.40 m. ..................⛔⛔⛔⛔⛔⛔please don't spam
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Answer:
average speed in thes case is given by 2v₁v₂ / v₁ + v₂
v₁ = 5 km/h
v₂ = 7.5 km/h
By applying the formula ,
= 2×5×7.5 / 12.5
= 75 / 12.5
= 6 km/h
Hence the average speed will be 6 km/h
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