Question

1. A wave train is traveling along a string. Seven waves pass by a point in 3.75 s. The

distance from the top of a crest to the bottom of an adjacent trough is 0.462 cm. Find:

a) the speed of the waves.

b) the tension in the string if it has a length of 1.68 m and a mass of 3.86 g.

2. Suppose that the string in problem #1 is attached to a second string whose linear

density is 0.00552 kg/m. The waves, therefore, travel through the first string and then

through the second. What is their wavelength in the second string if the tension in

both strings is the same?

Answer #1

Solution :

1.

2.

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