An important news announcement is transmitted by radio waves to people who are 800 km away and sitting next to their radios, and also by sound waves to people sitting 7.00 m from the newscaster in a newsroom. Who receives the news first? both at the same time people in the newsroom people next to their radios What is the difference in time At between each group of people receiving the news? At = S

An important news announcement is transmitted by radio waves to people who are 800 km away and sitting next to their radios, and also by sound waves to people sitting 7.00 m from the newscaster in a newsroom. Who receives the news first? both at the same time people in the newsroom people next to their radios What is the difference in time At between each group of people receiving the news? At = S