View the step-by-step solution to:

Question

1- If two firecrackers produce a sound level of 82 dB

dB when fired simultaneously at a certain place,

what will be the sound level if only one is exploded? [Hint: Add intensities, not dB

dB's.]

Express your answer to two significant figures and include the appropriate units.

2-

IMG_9975.JPG

IMG_9975.JPG

Top Answer

1) The sound level when one is exploded = 78.98969 dB. 2) When the sound... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question