Physics 1B Practice Final Solutions
Dr. Ni, Adam K. Moke
(Dated: June 5, 2014)
i) The electric eld is zero in the x < 0 region. Recall that the electric eld points towards negative charges and
away from positive charges. To the left of th
1. What are the five largest countries on the planet (by area)?
Russia, Canada, United States, China, Brazil
2. What are the five most populated countries in 2012?
China, India, United States, Indonesia, Brazil
3. Why is the size of a country important wh
Problem1:A cylindrical bucket, open at the top to the air, is filled with water of 30.0cm high and 10.0cm
in diameter. (pwater=1000kg/m3, 1 ATM=1.OIX105 Pascal)
a) How much is the pressure at the bottom of the bucket? (5 points)
b) If we place a lead ba
Student ID number:
PRACTICE FINAL EXAM
READ THE FOLLOWING CAREFULLY:
Closed book. Calculators are allowed. Three 35 index cards (or 1 8.5x11 page) with
notes are allowed.
You have up to 3 hours to co
1. (10 pts) Suppose a Wire is wound along a cone in such a way that its
path is described by
77(16): (t2,tcost,tsint>, 1 < t < 4
If the Charge density (per unit length) along the Wire is given by
find the total Charge in the Wire.
Midterm 2 Solution
May 21, 2014
1) Multiple Choice
I) Organ Pipe
When you blow air into an open organ pipe, it produces a sound with a fundamental frequency of
440 Hz. If you close one end of this pipe, the new fundamental frequency of the sou