Physics, 29.08.2020 23:01 me1233456

A seal swims rightward 3 m, but then notices a shark behind it. The seal speeds up rightward for 12 m and swims a total time 4 s.
3 m
12 m
What is the seal's average velocity for the swim?

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A seal swims rightward 3 m, but then notices a shark behind it. The seal speeds up rightward for 12...