Physics

posted by .

A standard man shouting loudly produces a 87.4dB sound at a distance of 7.05m. At what rate does he emit sound energy? Express the result in J/s.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    This question has me very lost. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 11 cm apart. The sound intensity decreases as the distance between the speakers is increased, …
  2. physics

    Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation …
  3. physics

    Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation …
  4. physics

    Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation …
  5. Physics

    The siren of a police car produces a sound of frequency 420Hz.A man sitting next to the road notices that the pitch of the sound changes as the car moves towards and then away from him.1- WRITE DOWN THE NAME OF THE PHENOMENON. 2-ASSUME …
  6. physics

    A student sets up two speakers spaced 2.5 meters apart, each playing the same tone of a single frequency. She stands at point P, at an equal distance from each speaker and hears the tone playing loudly. She walks towards point Q, directly …
  7. Physics

    Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 35.9cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation …
  8. Physics

    The distance between a loudspeaker and the left ear of a listener is 2.19 m. (a) Calculate the time required for sound to travel this distance taking the speed of sound to be 343 m/s. (b) Assuming that the sound frequency is 525 Hz, …
  9. Physics

    Which statements about traveling waves are TRUE?
  10. Physics

    There is a band who uses 10000 W to radiate sound energy in all directions. What was the intensity of sound 10 meters from this speaker?

More Similar Questions