Question

A car travels along a straight road to the east for 120 meters in 5 seconds, then go the west for 60 meters in 1 second. Determine average speed and average velocity.​

Answer 1

Average Speed:-

Average Speed = (Total distance)/(Total time)

→ Average Speed = (120m + 60m)/(5s + 1s)

→ Average Speed = 180/6 m/s

→ Average Speed = 30 m/s

Average Velocity:-

Average Velocity = (Total displacement)/(Total time)

Total Displacement = 60m

→ Average Velocity = (60m)/(5s + 1s)

→ Average Velocity = (60m)/(6s)

→ Average Velocity = 10m/s

Ans. Average Speed = 30 m/s, Average Velocity = 10 m/s

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