This preview shows pages 1–2. Sign up to view the full content.
Quiz 1
DL #
Name
(last)
(first)
_________
Rubric Codes
:
Student ID:
____________________
first 3 letters last name
I certify by my signature that I will abide by the code
of academic conduct of the University of California.
Signature
ANSWERS WITHOUT WORK WILL RECEIVE NO CREDIT.
MARK YOUR ANSWERS CLEARLY.
You can use a CALCULATOR
y(
x
,
t
)
=
y
0
+Asin(
2
π
t
T
±
2
x
λ
+
φ
)
v=
λ
/T
1) (70%) You are standing at the UC Davis Arboretum by the Putah Creek, and watching a duck floating on
water. You notice that a wave crest passes by the duck every 4 seconds, and the duck is moving up and down a
maximum distance of 6 cm. Waves are moving at a velocity of 0.2 m/s. Water waves are modeled by the ‘wave
equation’ we have discussed in the Lecture/DLs. Write the wave equation for these waves.
The general wave equation is:
2
2
y( , )
Asin(
)
t
x
x t
T
=
±
+
. You can take phase constant (
) to be zero.
2) (30%) Now you go to a beach in Pacifica where you see much bigger waves – the waves are 20 times as high
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign up
to
access the rest of the document.
 Spring '12
 Many

Click to edit the document details