Question

A string of linear mass density 0.1 kg/m
and length 10 m is acted upon by two
forces F F. = 20N and F, = 10 N on
smooth horizontal surface. Find the accel-
eration of a pulse generated in the string
relative to string
►F
2
1) 10 m/s
3) 20 m/s
2) 5m/s2
4) 0 m/s2​

Answer 1

Answer:

3 is correct ithink....... .

Answer 2

20 m/s is correct means option 3