Question

The mass of 7 m long string is 0.035 kg. If the tension in the string is 60.5 N, then the speed of wave on string will be ........... .(a) 77 m/s(b)102 m/s(c) 110 m/s(d) 165 m/s

Answer 1

C is correct as T=mv^2/r +mg Calculate and you will get answer as 109.7m/s or 110m/s