Answer:
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Answer:
m = 20,000 kg
Explanation:
Force, 
Acceleration of the shark, 
It is required to find the mass of the shark. Let m is the mass. Using second law of motion to find it as follows :
F = ma
Putting the value of F and a to find m

So, the shark's mass is 20,000 kg.
You draw a straight line from the start point to the end point. It doesn't matter what route was actually followed for the trip.
The height difference is found by

Then the change in potential energy is