A car travels along a straight road to the east for 100 meters in 4 seconds, then go the west for 50 meters in 1 second. Determine average speed and average velocity.

Question

A car travels along a straight road to the east for 100 meters in 4 seconds, then go the west for 50 meters in 1 second. Determine average speed and average velocity.

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Anonymous 1 year 1 Answer 1807 views 0

Answer ( 1 )

  1. Solution : Distance = 100 meters + 50 meters = 150 meters
    Displacement = 100 meters – 50 meters = 50 meters, to east.
    Time elapsed = 4 seconds + 1 second = 5 seconds.
    Average speed = Distance / time elapsed = 150 meters / 5 seconds = 30 meters/second.
    Average velocity = Displacement / time elapsed = 50 meters / 5 seconds = 10 meters/second.

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