Assignment 7  Week8
Due: 11:48pm on Friday, November 4, 2011
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Problem 15.26
A transverse wave on a cord is given by
, where
and
are in
and
is in
.
Part A
At
, what is the displacement of the point on the cord where
?
Express your answer using two significant figures.
ANSWER:
=
0.19
Correct
Part B
At
, what is the velocity of the point on the cord where
?
Express your answer using two significant figures.
ANSWER:
=
4.1
Correct
Problem 15.84
A wave with a frequency of 250
and a wavelength of 26.8
is traveling along a cord. The
maximum speed of particles on the cord is the same as the wave speed.
Part A
What is the amplitude of the wave?
ANSWER:
=
4.27
Correct
Problem 15.52
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One end of a horizontal string of linear density 5.3
×
10
−
4
is attached to a smallamplitude
mechanical 200
oscillator. The string passes over a pulley, a distance
away, and
weights are hung from this end, the figure .
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 Winter '08
 BATES
 Physics, Wavelength, Assignment Print View

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