1. What do you meant by vibrations?
2. What is the other name for larynx?
3. Do all animals p...
1. What do you meant by vibrations?
2. What is the other name for larynx?
3. Do all animals produce sound by vocal chords?
4. Write the unit of frequency.
5. What do you mean by noise pollution?
6. What is the loudness of a normal conversation?
7. Explain importance of sound in our daily life.
8. Name the organ in human that produces sound. How does it work?
9. Prove that sound travels in solids too.
10. How does loudness of sound is affected by amplitude?
Answers: 1
Physics, 21.06.2019 19:00, akbogg3893
Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas
Answers: 2
Physics, 22.06.2019 04:50, andrewsaul04
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
Physics, 22.06.2019 05:00, anime333
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 10:30, zoebtharpe
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Mathematics, 10.10.2021 23:00
Mathematics, 10.10.2021 23:00
Mathematics, 10.10.2021 23:00
Mathematics, 10.10.2021 23:00
Mathematics, 10.10.2021 23:00
Mathematics, 10.10.2021 23:00