The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. The sound level of this creature has been measured as high as 100 dB. (a) Calculate the intensity of the sound wave emitted. 0.01 W/m2 (b) What is the intensity level if three of these toadfish try to make a sound at the same time
Answers: 1
Physics, 22.06.2019 00:30
Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?
Answers: 1
Physics, 22.06.2019 03:00
1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
Answers: 2
Physics, 22.06.2019 06:30
If an atom contains 11 protons in its nucleus, predict the element with the atomic number and electronic configuration. will the number of electrons remain the same during the chemical reaction in such an atom? explain.
Answers: 3
Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its sw...
Social Studies, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01
Chemistry, 19.10.2020 08:01
English, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01
Physics, 19.10.2020 08:01
Spanish, 19.10.2020 08:01
Social Studies, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01
Mathematics, 19.10.2020 08:01