Physics
Physics, 03.12.2021 07:30, Jaylen52709

Câu 35:.Một sợi dây đàn hồi có chiều dài AB = 80 cm, đầu B cố định, dầu A gắn với cần rung dao động điều hòa với tần số 50Hz theo phương vuông góc với AB. Trên dây có một sóng dừng với 4 bụng sóng. Coi
A và B là nút sóng. Vận tốc truyền sóng trên dây là
A. 10 m/s
B.5 m/s
C.20m/s
D. 40m/s

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 21.06.2019 15:30, Isabelcastillox1085
Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha
Answers: 1
image
Physics, 22.06.2019 14:30, shwubblz
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
image
Physics, 22.06.2019 23:20, pr47723
Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
Answers: 2
image
Physics, 23.06.2019 02:30, zay179
If frequency goes down, what happens to wavelength? does it get shorter or longer?
Answers: 2
Do you know the correct answer?
Câu 35:.Một sợi dây đàn hồi có chiều dài AB = 80 cm, đầu B cố định, dầu A gắn với cần rung dao động...

Questions in other subjects:

Konu
Mathematics, 28.01.2020 18:53