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Suppose a 350-g kookaburra (a large kingfisher bird) picks up a 75-g snake and raises it 2.5 m from the ground to a branch. (a) How much work did the bird do on the snake? (b) How much work did it do to raise its own center of mass to the branch?
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Final Answer
  1. $1.8 \textrm{ J}$
  2. $8.6 \textrm{ J}$
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OpenStax College Physics Solution, Chapter 7, Problem 18 (Problems & Exercises) (1:36)

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