Reference no: EM13342704
A wave pulse travels down a slinky. The mass of the slinky is m = 0.9 kg and is initially stretched to a length L = 7.3 m. The wave pulse has an amplitude of A = 0.2 m and takes t = 0.43 s to travel down the stretched length of the slinky. The frequency of the wave pulse is f = 0.48 Hz.
1) What is the speed of the wave pulse?
m/s
2) What is the tension in the slinky?
N
3) What is the average speed of a piece of the slinky as a complete wave pulse passes?
m/s
4) What is the wavelength of the wave pulse?
m
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)
N
6) What is the new mass density of the slinky?
kg/m
7) What is the new time it takes for a wave pulse to travel down the slinky?
s
8) If the new wave pulse has the same frequency, what is the new wavelength?
m
9) What does the energy of the wave pulse depend on?
the frequency
the amplitude
both the frequency and the amplitude