Question

2.
The speed of travelling wave whose equation is given
by y= 2/(x-3t)²+1
(all variables are in Sl unit) is
(1) 3 m/s
(2) 1/3 m/s
(3) 9 m/s
(4)1/9m/s
​

Answer 1

Answer:

2 ND is the correct answer