subject
Physics, 16.11.2020 18:40 jaccamoboy

When a student listens to music, sound waves travel from the speaker to her ear. Which of the following is a physical description of this process?
a. Particles produced at the speaker move to the student's ear.
b. Energy is transferred from the speaker to the student's ear.
Matter is transferred from the speaker to the student's ear.
d. Clusters of air molecules are sent from the speaker to the student's ear.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
question
Physics, 22.06.2019 04:30
Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?
Answers: 1
question
Physics, 22.06.2019 17:10
Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up
Answers: 2
question
Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 3
You know the right answer?
When a student listens to music, sound waves travel from the speaker to her ear. Which of the follo...
Questions
question
Mathematics, 02.12.2020 19:40
question
Mathematics, 02.12.2020 19:40
question
Mathematics, 02.12.2020 19:40
question
Arts, 02.12.2020 19:40
question
Mathematics, 02.12.2020 19:40
question
Mathematics, 02.12.2020 19:40
Questions on the website: 13722363