Which lists the amplitudes of sound waves from these sources in order from greatest to least? busy roadway, kids whispering, average homechainsaw, diesel truck, rustling leaveskids whispering, vacuum cleaner, jet airplanelibrary, conversational speech, music from speaker

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

What is the mass of the same rock on the earth

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z