Throughout the problem, take the speed of sound in air to be 343 m/s .
(Part A) Consider a pi...
Physics, 06.04.2020 16:21 zyrashanson
Throughout the problem, take the speed of sound in air to be 343 m/s .
(Part A) Consider a pipe of length 80.0 cm open at both ends. What is the lowest frequency f of the sound wave produced when you blow into the pipe?
Express your answer in hertz.
(Part B) A hole is now drilled through the side of the pipe and air is blown again into the pipe through the same opening. The fundamental frequency of the sound wave generated in the pipe is now?
a. the same as before.
b. lower than before.
c. higher than before.
Answers: 3
Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 2
Physics, 23.06.2019 02:10
Which best describes the weak nuclear force? it maintains attraction between the m ecules in liquids. it attracts the nucleus of one atom to the nucleus of another atom. it pulls all matter in the universe together it keeps particles that make up protons and neutrons together
Answers: 1
Physics, 23.06.2019 05:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force
Answers: 1
Arts, 09.12.2020 01:20
History, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
History, 09.12.2020 01:20
Chemistry, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
English, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Mathematics, 09.12.2020 01:20
Computers and Technology, 09.12.2020 01:20
Chemistry, 09.12.2020 01:20