Unformatted text preview: Quiz 3. Physics 132 Feb/ 1/08 Name An elastic cord of length 1.2 m is stretched and tied between two ﬁxed posts. The 'tensi
in the cord is measured to be 8 N and the linear density of the cord is 1.1 g/m. a) What is
the wave speed on the cord? (2pts). b) Sketch the displacement of the cord when it is
excited to each of its ﬁrst three harmonics (3pts). What are the frequencies of these ﬁrst three harmonics? (5pts) 3: ...
View Full Document
- Winter '08