physics

a
man leaves the garrage in his house and drives to a neigbouring town
which is twenty kilometres away from his house on sight-seeing. he
returns home to his garrag two hours after. what is his average velocity
from in home in km/h?

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asked by Anonymous
  1. Assuming he travels in a straight line, the distance traveled in two hours is forty kilometres. The average _speed_ is 20km/hr.

    Of course, he probably did not travel in a straight line.

    In any case, the average velocity vector is [0,0,0]km/hr.

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    posted by Graham

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