Question

Hints:

5. Another Brick in the Wall 1604 You are in a car that is heading towards a brick wall at a speed of 32 m/s (72 mph). You know that the wall has a resonant frequency of 605 Hz, and that if a continuous sound wave at this frequency hits the wall, it will fall down. IMAGES NOTES DISCUSS UNITS STATS HELP PREFERENCES Answer Save Status # tries: 1 Show Details Format Check 7.62 pts. 99% 1% try penalty Part Description At what frequency do you need to sing so A. that the wall crumbles? (include units with answer) What frequency will you hear reflected from the B. wall just before it crumbles? (include units with answer) # tries: 0 Format Check 7.69 pts. 100% Show Details 1% try penalty

Doppler Effect:

Answer 1