Question

part a when a big fish swims into an oncoming smaller fish and swallows it, the momentum of the two - fish system ______. view available hint(s)

• decreases
• converts to spurious motion
• increases
• remains the same

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Explanation:

This problem relates to the law of conservation of momentum in physics. The two - fish system is an isolated system (assuming no external forces like water resistance are significant during the short - time collision and swallowing process). According to the law of conservation of momentum, the total momentum of an isolated system remains constant. So when the big fish swallows the smaller fish, the momentum of the two - fish system remains the same.

Answer:

D. remains the same (assuming the option label for "remains the same" is D, if the original options were labeled as A: Decreases, B: converts to spurious motion, C: Increases, D: remains the same)