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A 15.0-kg fish swimming at 1.10 m/s suddenly gobbles up a
Chapter 10, Problem 33E(choose chapter or problem)
QUESTION:
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:
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.