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**A wave pulse travels down a slinky - Complete Solution**

- From Physics, General Physics

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A wave pulse travels down a slinky. The mass of the slinky is m = 0.88 kg and is initially stretched to a length L = 7.3 m. The wave pulse has an amplitude of A = 0.24 m and takes t = 0.49 s to travel down the stretched length of the slinky. The frequency of the wave pulse is f = 0.4 Hz.

**1) What is the speed of the wave pulse?**

** 2) What is the tension in the slinky? **

**3) What is the average speed of a piece of the slinky as a complete wave pulse passes?**

** 4) What is the wavelength of the wave pulse? **

**5) Now the slinky is stretched to twice its length (but the total mass does not change). What is the new tension in the slinky? (assume the slinky acts as a spring that obeys Hooke’s Law) **

**6) What is the new mass density of the slinky? **

**7) What is the new time it takes for a wave pulse to travel down the slinky? **

**8) If the new wave pulse has the same frequency, what is the new wavelength? **

**A wave pulse travels down a slinky - Complete Solution**

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- Submitted On 20 Jan, 2015 12:06:08

**AceTutor****Rating :**29**Grade :****A+****Questions :**0**Solutions :**832**Blog :**1**Earned :**$21633.75