can you change the story of this word problem and change the numbers:3: Suppose a fire truck is moving toward a stationary observer at 25.0 m/s. The frequency of the siren
on the fire truck is 800 Hz.
a) Calculate the frequency detected by the observer as the fire truck apporaches.
b) Calculate the frequency detected by the observer after the fire truck passess by.
Sure! Here's the revised story with new numbers:
3: Imagine a police car is moving towards a person standing on the sidewalk at a speed of 20.0 m/s. The frequency of the police siren is 1000 Hz.
a) Calculate the frequency detected by the observer as the police car approaches.
b) Calculate the frequency detected by the observer after the police car passes by.