In the given figure a string of linear mass density `3xx10^(-2)` kg//m and length `L=1` m, is stretched by a froce `F=(3-kt)N`, where k is a constant and t is time in sec. At the time `t=0`, a pulse is generated at the end P of the string Find the value of k (in N//s) if the value of force becomes zero as the pulse reaches point Q.

Figure shows a string of linear mass density 1.0 g//cm on which a wave pulse is travelling. Find the time taken (in milli second) by the pulse in travelling through a distance of 60 cm on the string. Take g = 10 m//s^(2) .

A tranverse wave propagating on a stretched string of linear density 3 xx 10^(-4) kg per m is represented by the equation " " y = 0.2sin(1.5x + 60t) Where , x is in metre and t is in second. The tension in the string (in newton) is

A 200 Hz sinusoidal wave is travelling in the posotive x-direction along a string with a linear mass density of 3.5 xx10^(-3) kg//m and a tension of 35 N . At time t= 0 , the point x=0 , has maximum displacement in the positive y-direction. Next when this point has zero displacement, the slope of the string is pi//20 . Which of the following expression represent (s) the displacement of string as a function of x (in metre) and t (in second)

A string of length 10.0 m and mass 1.25kg stretched with a tension of 50N. If a transverse pulse is created at one end of the string, how long does it take to reach the other end ?

A way pulse is travelling on a string of linear mass density 6.4 xx 10^(-3)kg m^(-1) under a load of 80 kgf . Calculate the time taken by the pulse to traverse the string, if its length is 0.7 m .

A non-uniform wire of length l and mass M has a variable linear mass density given by mu = kx , where x is distance from one end of wire and k is a constant. Find the time taken by a pulse starting at one end to reach the other end when the tension in the wire is T .

A string of length 40 cm and weighing 10 g is attached to a spring at one end and to a fixed wall at the other end. The spring has a spring constant of 160 N m^-1 and is stretched by 1-0 cm. If a wave pulse is produced on the string near the wall, how much time will it take to reach the spring ?

A string of length 0.4 m and mass 10^(-2) kg is clamped at one end . The tension in the string is 1.6 N . The identical wave pulses are generated at the free end after regular interval of time , Delta t . The minimum value of Delta t , so that a constructive interference takes place between successive pulses is

A wire of density 7times10^(3)kg/m^(3) ,length 1m and diameter 1mm is stretched by weight of 11kg .The frequency of the fundamental note is 10k .Find k

Two long strings A and B, each having linear mass density 1.2 xx 10 ^-2 kg m^-1 , are stretched by different tensions 4.8 N and 7.5 N respectively and are kept parallel to each other with their left ends at x = 0. Wave pulses are produced on the strings at the left ends at t = 0 on string A and at t = 20 ms on string B. When and where will the pulse on B overtake that on A ?