Under constant tension and constant mass per unit length, the note produced by a plucked string is 500Hz when the length of the string is 0.90m. At what length is the frequency 150Hz?

adesuaprevail

2 years ago

Under constant tension and constant mass per unit length, the note produced by a plucked string is 500Hz when the length of the string is 0.90m. At what length is the frequency 150Hz?
A. 3m
B. 4m
C. 5m
D. 6m


f=k/l

500= k/0.90
k= 450

when f= 150
l= k/f
l= 450/150
l= 3m

Fay_vurrr

1 year ago

where is the 450 coming from