Ch 4 Motion
in twodimensions
p78
Figure 4-2 p80
Vector addition can be applied to any type of vector!
Figure 4-3 p80
Figure 4-4 p81
Figure 4-5 p82
Example 1: 2D motion with
const. acc.
Example 2 2D mo
3.- (10 points) At a height of 4 meters, the wire that is pulling from the block breaks and, thus,
the block starts free failing. Determine the acceleration (magnitude and direction while it falls.
Section l
10/04/2011
Eagle ID:
Show ail' work clearly and in order. Box your final answer so there is no confusion in the grading. By writing your name on this quiz,
you agree that this quiz was tak
Physics 205Final Exam Fall 2003
Solutions
x
M
1) (40 pts) A plane pendulum consists of
a bob of mass m suspended by a massless
rigid rod of length l that is hinged to a sled
of mass M . The sled slide
PHYS 203
Princeton University
Final Exam Solution
1. (20 points) Underwater pendulum
A ball of radius a and density b is suspended under water (density
w) on a massless string of length l. You can ass
PHYS 203
Princeton University
Final Exam
Fall 2005
1. (30 points) Toy Car
A toy car is made from a
rectangular block of mass M and
four disk wheels of mass m and
radius R. The car is attached to a
ver
Problem 1
A bead of mass m slides without ction on a wire whose shape is
r
z(r) = a( )4
a
The wire rotates about the z axis with constant velocity !. Earths gravity causes
acceleration g along the z a
3.- +15 pains? Calculate the magnitude of the force that the cable exerts on the package. Since this is exactly the same
ferce that the package exerts 011 the cable: will the cable break.
2
u 9' "17
4.45 Loo-int?) Circle all that apply: From ti to t, the pesition does not change linearly with time. thus.
a " There is an acceleration. Since the velocity renietins always negative and its magnitude
X
Problem 1 (20 point-.9 The gure represents 3. 1110111011 diagram for a certain object moving in the XwY plane. Some of the
pOSitions and the times are given in the follewing table.
Position [111:
2.- (10 cfw_Jazmin C-omulelmg the. data 1n the table: calculate the average velomw between 8 and f and between F and g
v M '
h. H
V 2 ;., 9' r
_.-m N t.
. 1 '
,th 1
,1.
(/1
. ; - I i-
, .
z
.
U .
.7,
average leioojtx from 4,10 6?. Give quantitative arguments.
. 5H- J
1 .
Vi: .3 F . ,
f~e f 1
v - _. in e a:
i'\ .
an. Kai
- .4? re '
cfw_x =57 i
y r , -'
- r u ,_,.\,
. K \J. M- . _
\
x
is 7
41-: ( 5 points? Draw in the following diagram the velocity Hold the acceleration vector for positions A B. C, D and F
t-
r- [5 poi-11m) At t : 55 something in the internal circuitry breaks and the fa
Problem 4 (30 points) Summer time is coming to the City and we are getting the fan out of the Closet to ght the high
temperatures. At tzD. We connect the fan to a power stripe and push the "maximum sp
Problem 2 (30 points: The gure represents the evolution of the position of an object performing motion along a straight
path (sdii'ectioni
17(3) points) Circle. all that apply: "Between (.1 and i3
QTh
Problem 3 (2.") points]: Cars A and B are racing each other along the same straight road in the following manner: Car A
head art and is a dist 4 bevqmirtbe.starlillg~lil_l.t t :wLLWThe starting line i
Lab Quiz 1 Physics 2211 Fall 2011 Georgia Southern University Section i
Instructor: m. 09iO1/201 1
Name: Eagle ID:
Show all work clearly and in order. Box your final answer so there is no confusion in
PHYS 203
Princeton University
Final Exam
Fall 2006
1. Death Star (20 pt) A particle of mass m is subject to a central force given by the potential
k
V = 3
( k > 0)
r
a) What is the effective potential