SAT Subject Physics Practice Question 399: Answer and Explanation

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Question: 399

5. A 750 g peregrine falcon dives straight down towards a 400 g pigeon, which is flying level to the ground. Just before the falcon makes impact its velocity is 35 m/s. The velocity of the falcon and the pigeon in its talons immediately after impact is most nearly

A. 35 m/s
B. 31.95 m/s
C. 28.9 m/s
D. 25.85 m/s
E. 22.8 m/s

Correct Answer: E

Explanation:

The correct answer is (E). Use conservation of momentum for the problem.

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