A bird flew and landed on its swing. When the bird "hit" the swing, the swing began to move back and forth. What happened when the bird landed on the swing? A. Energy was transferred from the air to the

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asked Dec 8, 2021 1.4k views

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A bird flew and landed on its swing. When the bird "hit" the swing, the swing began to move back and forth. What happened when the bird landed on the swing?

A. Energy was transferred from the air to the swing.
B. The swing and the bird gained energy.
C. The swing's energy and the bird's energy each stayed the same.
D. Some of the bird's energy was transferred to the swing.