A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz....

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A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz....

A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz. The bird-watcher, however, hears a frequency of 1110 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?

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A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz....

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A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1480 Hz....

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A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz....

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A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1060 Hz....