Question

Equation of a travelling wave on a string is given by y 10 sin 4xt-- x). If x and y are in centimetres, then -X 16 velocity of wave is

A) 32 cm s¹ in positive x-direction
B) 64 cm s¹ in positive x-direction
C) 32 cm s^-1 in negative x-direction
D) 64 cm s^-1 in negative x-direction ​

Answer 1

Answer:

Explanation:

y=4sin(4πt−

16

π

​

x)

                          ω=4π,k=

16

π

​

                          v=

k

ω

​

=

16

π

​

4π

​

=64cm/s

in positive x-direction.