Solution Found!
Suppose a 350-g kookaburra (a large kingfisher bird) picks
Chapter 1, Problem 18PE(choose chapter or problem)
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?
Questions & Answers
QUESTION:
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?
ANSWER:Step-by-step solution 18PE Step 1 of 2 (a) The gravitational potential energy of snake at a height from the ground is, This energy is equal to the work done by the kookaburra on snake Or Substitute for , for , and for in the above equation. The work done by the kookaburra on the snake is .