a car sounds its horn as it travels at a steady speed of 15m/s along a straight road between two observers x and y. the observer x heras a frequency of 538 hz while observer y hears a lower frequency.

Question

1 is the car traveling towards x or y
2what would the frequency be heard from the car by either x or y if the car stopped and sounded its horn
3what frequency does y hear when x hears 538 hz

Answer 1

One wonders what the frequency being sounded was.

Answer 2

Do it yourself

Answer 3

1. towards X
2. 538Hz

Answer 4

Fregwency =300Hz