CHAPTER 6
Motion in a Plane II
6.1 CIRCULAR MOTION; CENTRIPETAL FORCE
6.1
6.2
6.3
6.4
94
A 0.3-kg mass attached to a 1.5 m-long string is whirled around in a horizontal circle at a speed of 6m/s. (a) ':
What is the centripetal acceleration of the mass? (b

CHAPTER
3
Motion in Two and Three Dimensions
1* Can the magnitude of the displacement of a particle be less than the distance traveled by the particle along its
path? Can its magnitude be more than the distance traveled? Explain.
The magnitude of the disp

Chapter 13
Fluids
Conceptual Problems
1
If the gauge pressure is doubled, the absolute pressure will be
(a) halved, (b) doubled, (c) unchanged, (d) increased by a factor greater than 2,
(e) increased by a factor less than 2.
Determine the Concept The abso

CHAPTER 6
USING NEWTONS LAWS
2T cos 25 Fres = max , since T1 = T2 = T. (a) If ax = 0, Fres = 2(1100 N) cos 25 = 1.99 kN. 2 (b) If ax = 0.16 m/s , Fres = 1.99 kN (3700 kg) (0.16 m/s2 ) = 1.40 kN.
ActivPhysics can help with these problems: All Activities in

Chapter
5
Forces in Equilibrium
Many people would not consider it extraordinary to
get into an elevator and zoom to the top of a 50 story
building. They might not be so nonchalant if they
knew the balance of enormous forces that keeps a tall
building stan

PHYSICS 221
SPRING 2013
FINAL EXAM: May 7, 2013 2:15pm - 4:15pm
Name (printed): _
Recitation Instructor: _
Section #_
INSTRUCTIONS:
This exam contains 25 multiple-choice questions plus 2 extra credit questions,
each worth 4 points. Choose one answer only

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