Solve the all parts of given question:
Question: The predominant frequency of a certain fire truck's siren is 1350 Hz when at rest.
Part 1: What frequency do you detect if you move with a speed of 45.0m/s toward the fire truck?
Part 2: What frequency do you detect if you move with a speed of 45.0m/s away from it?
Please provide any help is greatly appreciated! Thanks.