Recent content by MAtkinson

Wow never-mind that statement it would the cars would appear to be moving 150 km/h toward each other. But I'm still confused on how to setup the Doppler effect.

Homework Statement Two auto-mobiles are driving on the same road in opposite directions. The speed of the first auto-mobile is 90.0 km/h and that of the second is 60 km/h. The horns of both auto-mobiles emit tons of frequency 524 Hz. Calculate the frequency that the driver of each...

... Thanks for the insightful reply. I understand it's not the most difficult question, nonetheless I am getting stuck. 10^((deltaIntensityLevel)/10-12)=Power/DeltaCircleArea

From Acoustics, Resonance, Energy, Power, Intensity and The Doppler Effect Homework Statement An old-fashioned hearing trumpet has the shape of a flared funnel, with a diameter of 8 cm at its wide end and a diameter of 0.7 cm at its narrow end. Suppose that all of the sound energy that...