Physics 112
Homework #3
Spring 2006
Read:
Chapter 2, sections 2.4, 2.5
Chapter 3, sections intro., 3.1  3.4
For discussion:
Chap. 2:
Q's
#Q2.16, Q2.17, Q2.19, Q2.20
(not turned in)
E's & P's
#2.25, 2.35, 2.37, 2.65, 2.79, 2.85
Chap. 3:
Q's #Q3.1, Q3.2, Q3.3, Q3.6, Q3.8, Q3.9, Q3.10,
Q3.11, Q3.12, Q3.13
Due Friday, Feb.10 at lecture:
#2.23
[Automobile Airbags]
#2.74
[nonconstant acceleration)]
#2.82
[Model Rocket]
Correction:
In part (a), graph a
y
(t), v
y
(t), and y(t) as functions of
time t from when the rocket's engine begins firing until after the rocket hits the ground.
#3.16
[Simple Projectile]
#3.22
#3.49
[Dynamite!]
#3.33 and 3.34
[Circular Motion]
#3.75
[Circular Motion by Components]
#3.89
[Projectile Motion on an Incline]
(CONTINUED on next page)
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View Full Document1. [Tailgating]
In this problem we analyze the phenomenon of "tailgating" in a car on a
highway at high speeds. This means traveling too close behind the car ahead of you. Tailgating
leads to multiple car crashes when one of the cars in a line suddenly slows down. The question
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 Fall '07
 LECLAIR,A
 mechanics, Work, Car, Automobile, Brake, Miles per hour

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