English Language · English
The student wants to present the study and its methodology. Which choice most effectively uses relevant information from the notes to accomplish this goal? Notes: * Ducklings expend up to 62.8% less energy when swimming in a line behind their mother than when swimming alone. * The physics behind this energy savings has not always been well understood. * Naval architect Zhiming Yuan used computer simulations to study the effect of the mother duck's wake. * The study revealed that ducklings are pushed in a forward direction by the wake's waves. * Yuan determined this push reduces the effect of wave drag on the ducklings by 158%.
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- 1A study revealed that ducklings, which expend up to 62.8% less energy when swimming in a line behind their mother, also experience 158% less drag.
- 2Seeking to understand how ducklings swimming in a line behind their mother save energy, Zhiming Yuan used computer simulations to study the effect of the mother duck's wake.✓
- 3Zhiming Yuan studied the physics behind the fact that by being pushed in a forward direction by waves, ducklings save energy.
- 4Naval architect Zhiming Yuan discovered that ducklings are pushed in a forward direction by the waves of their mother's wake, reducing the effect of drag by 158%.
Correct answer
Seeking to understand how ducklings swimming in a line behind their mother save energy, Zhiming Yuan used computer simulations to study the effect of the mother duck's wake.
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