A 5-Kg Shark Swimming at a Speed of 1 M/s

question 123

Multiple Choice

A 5-kg shark swimming at a speed of 1 m/s swallows an absent-minded 1-kg fish swimming toward it at 4 m/s. The speed of the shark after this meal is

• A) 2/3 m/s.
• B) 1/5 m/s.
• C) 1/2 m/s.
• D) 3/2 m/s.
• E) 1/6 m/s.