Q)
(chatquestion)...bomple 17.61 A uwire stretched between two rigid supports
brates in its fundamental mode with a frequency of 45 Hz.
lhe mass of the wire is 3.5 x 10- kg and its linear density is
Ex 10- kg-m-3. What is the speed of transverse wave on
ing and tension in the wire?
3.5 x 10-2
Mass of wire
M. Length of wire =
= 0.875m
%3D
%3D
4 x 10-2
Linear density
Fro
T.
21
т
4(45) (0.875) (4 × 10-2) = 248.1N
Speed of transverse wave, v = fh = f(21)|
-1
= 45 x 2 × 0.875=78.75 ms
omple 17 63
trument is 50 cm long
...
