PHYSICS 9A
MIDTERM 1
May 2 , 2013
I certify by my signature below that I will abide by the UC Davis Code of Academic
Conduct. This includes
not copying from anyone elses exam
not letting any other s
PHYSICS 9A
FINAL EXAM
June 10, 2013
I certify by my signature below that I will abide by the UC Davis Code of Academic
Conduct. This includes
not copying from anyone elses exam
not letting any other
PHYSICS 9A
MIDTERM 2
May 30 , 2013
I certify by my signature below that I will abide by the UC Davis Code of Academic
Conduct. This includes
not copying from anyone elses exam
not letting any other
QUIZ 1. Units & Vectors
1. The Mercedes A-class has a fuel consumption of
5.8 liters per 100 kilometers. What is the
corresponding value in miles per gallon? 1
mile=1.609 km, 1 gallon=3.78 liter
Solut
QUIZ 3
Solution:
The ball does not accelerate along x axis. Therefore vx(t)=v*cos() and
x(t)=v*t*cos(). It travels distance L=22 m and the time to reach the wall is
t0=L/[v*cos()]=22/(25*cos(40)=1.15
QUIZ 4
A cargo airplane carrying a heavy package is landing on the airport runway. The landing
speed of the plane is 200 km/h, and the length of the runway is 2 km.
1. Draw free body diagram for the p
Quiz
A solid cylindrical pulley with a mass of M = 10 kg and a
radius of r = 0.5 m is used to lower a bucket with a mass of
m = 2 kg into a well. Rotational inertia of the pulley is
given by 0.5Mr2. W