mcruz3146
Answered

A student is standing 8 m from a roaring truck engine that is measured at 20 dB. The student moves 4 m closer to
the engine. What is the measured sound intensity at the new distance?
dB

Answer :

Answer:80 dB

Explanation:

Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. The sound travels in all the mediums i.e solid, liquid, and gas.

The measured sound is 80dB, the solution is as follows:-

The motion of particles in the medium is as follows:-

  • Compression
  • Rarefaction

According to the question, the sound frequency which he is hearing is 20dB when he is standing 8m away from the engine.

When he moves forward and now he is standing 4m away from the engine, he will hear an 80 db sound because the distance and the magnitude of the sound are inversely proportional.

For more information, refer to the link:-

https://brainly.com/question/18222206

Other Questions