What is the tension on a string with a mass of 1.6 kg, with a length of
0.8 m, if the speed of the wave on the string is 2.5 m/s?

The tension in the rope is thus 8 N.

Explanation:

Given data:

mass = M = 1.6 kg

length = L = 0.8 m

speed of the wave = v = 2.5 m/s

To find:

Tension on a string =F = ?

Formula:

The speed of a wave on a string is determined by the tension through the formula

v =

Solving for the tension F, we find

F = v^2 M / L

F = (2.5 m/s)^2 x 1.6 kg x 0.8 m

F = 6.25 x 1.6 x 0.8

F =  8 N

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots