A trombone acts as if it were an open pipe of length 2.96 m. What
is the frequency of its fourth
harmonic?
(Speed of sound = 343 m/s)
(Unit = Hz)
plz help will give brainliest

Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?