A dolphin can swim at a constant speed of 12.5 m/s. How long does it take a dolphin to swim 45 meters?

Explanation:

Time can be found by dividing the distance by the speed.

The distance is 45 meters and the speed is 12.5 meters per second.

Divide. Note that the meters, or "m" will cancel each other out.

It will take the dolphin 3.6 seconds to swim a distance of 45 meters are 12.5 meters per second.

3.6 seconds

Explanation: 45/12.5 m/s is 3.6s

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the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this