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Work the Web
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Nelson Education > School > Secondary Science > Science 10: Concepts & Connections > Teacher Centre > Work The Web > Unit 3
 

Work The Web

UNIT 3: MOTION AND ITS APPLICATIONS

3.1  Explore an Issue: Progress and Speed on Canadian Highways
3.10  Case Study: Smart Highways
3.11  Vector Quantities
3.15  Case Study: Tracking and Position
3.16  Position-Time Graphs
3.17  Career Profile: Police Constable
3.18  Defining Acceleration
3.20  Investigation

Section Work the
                  Web
3.1
Explore
an Issue:
Progress
and Speed
on
Canadian
Highways

Research speed limits in other countries. Why do they vary?

SENSE — Safety by Education not Speed Enforcement

Speed limits must be enforced whatever they are, Ontario Truckers Association

Speed limits and boats, Pat's Boating in Canada

Dispelling Myths about Speed Limits, National Center for Policy Analysis

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Q&A: Speed And Speed Limits, DeKalb Police Star Team, Atlanta, Georgia, USA

Synthesis of Safety Research Related to Speed and Speed Limits, Turner-Fairbank Highway Research Center

Environmental Effects of Speed Limits, Federal Environmental Agency, Germany. Enter"speed limit" in the search button at the top left and hit the enter key to get to the document.

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3.10
Case Study:
Smart
Highways

Research current information about automated highway systems. Report on the progress that has been made in this area.

Automated Highway Systems, Bruce Nelligan, Hamilton Associates

Intelligent Transportation Systems and Highway Infrastructure, Transport Canada

SENSE Position on Automated Enforcement, Safety by Education not Speed Enforcement

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3.11
Vector
Quantities

Find some information on orienteering or car rallies. Are there any clubs nearby? How might participants in these activities use the knowledge presented above?

To find clubs, try using the key words "rally club" or rallying club" and "orienteering club" in a search engine. To read more on vectors, visit the following sites:

This site is a lecture on vectors by the Physics Department, University of Guelph, Ontario.

The Physics Department, University of Calgary, presents this lecture on vectors and displacement.

 

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3.15
Case Study:
Tracking and Postion

Find out more about peregrine falcons.

  1. What is the longest daily flight by a peregrine falcon that any biologist has listed?

  2. Peregrine falcons dive at very high speed to catch prey — such as pigeons or ducks — in midair. In a full dive they may be the fastest-moving living creature. Find the maximum diving speed of these birds.

Project Track-em, Canadian Peregrine Foundation, tracks juvenile peregrine falcons.

Peregrine Falcon Information Centre, McGill Univeristy, Quebec, has a lot of information on the behaviour of these birds.

Peregrine Falcons, Environment Canada, presents a good overview on this bird.

Peregrine Falcons — Fastest Birds in the Air, About.com Network, is a small, but informative site.

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3.16
Position-
Time
Graphs

What Olympic Sport enables an athlete to obtain the greatest instantaneous velocity?

Olympics

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3.17
Career Profile:
Police
Constable

From the site information, list questions you have about a police career.

The Toronto Police Service

Ontario Provincial Police

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3.18
Defining
Accel-
eration

A jet on an aircraft carrier has a limited distance and time to become airborne. Similarly, it has to land and stop very rapidly. What are some typical accelerations of a jet taking off from, and landing on, an aircraft carrier? How are these accelerations achieved? Illustrate your discoveries with a series of labelled sketches.

Aircraft for Amateurs — Military Aircraft, Federation of American Scientists, site has everything you want to know about this subject.

The Straight Jet Four-quadrant Model, North Carolina State University, site surveys the subject.

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3.20
Invest-
igation:
Constant

An accelerometer is an instrument used to measure acceleration. There are simple, commercial, and research accelerometers. Report on how one accelerometer works.

Physics 30: Kinematics and Dynamics — Acceleration, University of Saskatchewan

Accelerometers, Acceleration Instrumentation, mounted by Process Controls and Instrumentation

 

Application of Accelerometers in Sports Training, Analog Devices, Inc.

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