A musician uses a tuning fork of frequency f = 241 Hz to tune his guitar and his trumpet. There is a beat frequency between the tuning fork and the guitar string and between the tuning fork and the trumpet for this note of fbeat = 4 Hz.

a. If the original tension T is 100 N, what must be the new tension T ' in Newtons?
The musician increases the length of an air column in the trumpet and notices that the beat frequency increases.
b. Find the original frequency of this note fT in Hz from the trumpet?

increases it

overcharge is the right answer system

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me