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Solved: A 15.0-kg fish swimming at 1.10 m/s suddenly
Chapter 8, Problem 33E(choose chapter or problem)
QUESTION:
Problem 33E
A 15.0-kg fish swimming at 1.10 m/s suddenly gobbles up a 4.50-kg fish that is initially stationary. Ignore any drag effects of the water. (a) Find the speed of the large fish just after it eats the small one. (b) How much mechanical energy was dissipated during this meal?
Questions & Answers
QUESTION:
Problem 33E
A 15.0-kg fish swimming at 1.10 m/s suddenly gobbles up a 4.50-kg fish that is initially stationary. Ignore any drag effects of the water. (a) Find the speed of the large fish just after it eats the small one. (b) How much mechanical energy was dissipated during this meal?
ANSWER:
Solution 33E
Step 1:
The net external force on the system is zero,then we have to apply conservation of momentum.