Dependent variable is your answer.
Ans: Time <span>taken by a pulse to travel from one support to the other
= 0.348s</span>
Explanation:First you need to find out the speed of the wave.
Since
Speed = v =

Where
T = Tension in the cord = 150N
μ = Mass per unit length = mass/Length = 0.65/28 = 0.0232 kg/m
So
v =

= 80.41 m/s
Now the time-taken by the wave = t = Length/speed = 28/80.41=
0.348s
Answer:
B) 3.6x 10_6 N/C or D)2.8 x105 N/C
Answer:
it is 27 degree.
Explanation:
because angle of reflection is equal to angle of Inc dence