A special device can transmit sound out of phase from a noisy jackhammer to its op - erator using earphones. over the noise of the jackhammer, the operator can easily hear your voice while you are unable to hear his. why?1. these devices reduce jackhammer noise by using destructive interference to cancel the noisy sound, so he can hear your voice clearly. 2. the operator's earphones are connected to your microphone, so he can hear your voice clearly. 3. the operator's earphonex amplifies your voice, so he can hear your voice clearly. 4. the operator's earphones change the fre - quencies of your voice, so he can hear your voice clearly.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A special device can transmit sound out of phase from a noisy jackhammer to its op - erator using earphones. over the noise of the ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
What is the velocity of a wave with a frequency of 760Hz and a wavelength of 0.45m?
Answers (1)
Which class of elements is most effective at conducting electricity and heat
Answers (2)
Any formation in which groundwater Rises on its own under pressure is a
Answers (1)
In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange car is traveling at a velocity of 5 m s. The green car is traveling at a velocity of 2 m s.
Answers (1)
What is an oscillation on waves?
Answers (2)
New Questions in Physics
The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. A beam of white light in this glass strikes the glass-air interface at a 25.50∘ angle of incidence and refracts out into the air.
Answers (1)
The locations of the major pressure and wind systems on the earth:
Answers (1)
Which statements correctly describe the properties of heat? Select all that apply. Heat is an essential component of life on Earth. Heat is energy that flows from one object to another. Heat flows from a hotter object to a colder one.
Answers (1)
A book is sitting on a table at rest. Which of the following best describes the forces acting on the book? A.
Answers (2)
When NASA's Skylab reentered the Earth's atmosphere on July 11, 1979, it broke into a myriad of pieces. One of the largest fragments was a 1770-kg lead-lined film vault, and it landed with an estimated speed of 120 m/s.?
Answers (1)