Question

A truck driver drives 20 km towards east down the road in 30 minutes he reverses the truck and drives 5km back down the road in 10 minutes what is his average velocity

Answer 1

Answer:

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Explanation:

Average velocity = Displacement / time

Displacement  = 20 km - 5km  = 15 km or 15000 m

Time taken = 30 min + 10 min = 40 minutes or 2400 sec

Average velocity = 15000 / 2400 = 6.25 m/s