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26-03-2020
Physics

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A humpback whale took 12.5 minutes to swim 1,170. Meters south at a constant velocity. What was the whale’s velocity?
__ meters per minute to the south

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27-03-2020

Answer: 93.6 meters per minute to the south

Explanation:

Time taken by humpback whale = 12.5 minutes

Displacement = 1,170. Meters South

The whale’s velocity = ?

Recall that velocity is the rate of change of displacement per unit time.

i.e Velocity = displacement / Time taken

Velocity = 1170metres / 12.5 minutes

= 93.6 meters per minute

Thus, the whale’s velocity is 93.6 meters per minute to the south

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