SPH3U -Assignment Sound

• Please include the correct units for all of your answers
• Questions should have all work shown where applicable
• Please use paper for the calculating question

3. The Jogger lost his diamond bag in the tug of war and the Sprinter ran away with it. The Sprinter runs outside in the warm, 25C air, and the diamond bag creates a lot of noise. a. What is the speed of sound in the air? b. If there is a police car positioned 700m away, how long would it take for them to hear the Sprinter's diamond bag? c. The sprinter stops to take a break. The police turn on their 1000 Hz siren and drive at 30m/s towards the Sprinter. What frequency does the sprinter hear? d. The police drive slightly too far and pass the Sprinter. What frequency does the sprinter hear after they drive by