Question #79a20

1 Answer
Taha Z.
Sep 7, 2017

#14 "m/s"#

Explanation:

From the unit m/s you can see that the wanted answer is the number of meters crossed each second.
therefore
#speed="distance"/"time"#

It is given that 140 meters are crossed in 10 seconds
Therefore,
#speed=140/10=14 "m/s"#

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