Solution Found!
Solution: An important news announcement is transmitted by
Chapter 34, Problem 52(choose chapter or problem)
An important news announcement is transmitted by radio waves to people sitting next to their radios 100 km from the station and by sound waves to people sitting across the newsroom 3.00 m from the newscaster. Taking the speed of sound in air to be 343 m/s, who receives the news first? Explain.
Questions & Answers
QUESTION:
An important news announcement is transmitted by radio waves to people sitting next to their radios 100 km from the station and by sound waves to people sitting across the newsroom 3.00 m from the newscaster. Taking the speed of sound in air to be 343 m/s, who receives the news first? Explain.
ANSWER:Step 1 of 3
In the case of people sitting far away.
The speed of the radio wave can be found out using the equation,
That is,
Implies, the time interval that the radio wave took to reach the people sitting far away is,