Several different waves were created using the same spring. The tension in the s

ID: 2109257 • Letter: S

Question

Several different waves were created using the same spring.

The tension in the spring is increased and the follwing measurements were taken. Use the information below to determine the frequency and wave speed.

Wave # Period (s) Wavelength (m)

1 0.84 3.36

2 0.22 0.88

Wave 1 Frequncy?

Wave speed?

Wave 2 Frequncy ?

Wave speed ?

Which of the following will affect the speed of the wave?

( ) changing the frequency of the wave

( ) changing the wavelength of the wave

( ) chnging the period of the wave

( ) changing something about the medium through which the wave travels

The frequency is the inverse of the period

For wave 1, f = 1/.84 = 1.19 Hz

For wave 2, f = 1/.22 = 4.55 Hz

The only element that changes the speed of the wave is the last option, that is...

changing something about the medium through which the wave travels

All of the others have no effect on the wave speed.

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