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An important news announcement is transmitted by radio waves to people who are 65 km away,...

An important news announcement is transmitted by radio waves to people who are 65 km away, sitting next to their radios, and by sound waves to people sitting across the newsroom, 4.8 m from the newscaster. Take the speed of sound in air to be 342 m/s. What is the difference in time that the message is received?

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The time taken by news message

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