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DD03 Video Analysis of Projectile Motion. Larry Dukerich - Arizona State U & Dobson HS Dwain Desbien - Arizona State U & Chandler- Gilbert College. Video analysis software - a useful tool. Clip from Physics of Sports. Video analysis software - a useful tool. Slope = velocity.

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Dd03 video analysis of projectile motion

DD03Video Analysis of Projectile Motion

Larry Dukerich - Arizona State U & Dobson HS

Dwain Desbien - Arizona State U & Chandler- Gilbert College


Video analysis software a useful tool
Video analysis software- a useful tool

Clip from Physics of Sports


Video analysis software a useful tool1
Video analysis software- a useful tool

Slope = velocity

Slope = acceleration

Graphs from VideoGraph - PAS


Video analysis software
Video analysis software

  • Canned movies are OK, but…

    • They’re someone else’s idea of interesting motion.

    • Students don’t get chance to produce and examine parabolic motion on their own.


Video capture then
Video capture - then

  • Expensive hardware requirements

    • fast computers with video cards

    • expensive, high-end VCR’s

  • Used to be difficult and tedious

    • frame by frame capture

    • dropped frames made analysis tricky


Video capture now with imac
Video capture - now, with iMac

  • Alt 1: VHS and video capture box

    • Use low-cost iMac ($800) or USB G3 Mac

    • Standard VHS camera or VCR

    • MyVideo from Eskape Labs ($250)

www.eskapelabs.com

Avid Cinema software


Usb video capture box
USB Video capture box

Output to USB port

Composite video signal from VCR or camera


Video capture with imac dv
Video capture - with iMac DV

  • Alt 2: Digital video input

    • Digital camera and Firewire (IEEE 1394)

    • iMac DV ($1000)

    • iMovie software


Digital video imac dv
Digital video - iMac DV

FireWire connector



Physics 2nd quarter project
Physics - 2nd Quarter Project

  • Produce and analyze video of projectile motion.

    • Teams of 3 - 4 students

    • Done outside of class time

    • Required minimal teacher intervention


Sample student movies
Sample student movies

Object of known length for calibration


Sample student movies1
Sample student movies

Ashley & Lindsay - Girls’ soccer team


Sample student movies2
Sample student movies

Garrett wanted to jump from the 2nd floor.


Sample student movies3
Sample student movies

A boy and his dog


Sample student movies4
Sample student movies

Not your typical basketball shot.


Sample student movies5
Sample student movies

Restriction: no living thing may come to harm.


Sample student movies6
Sample student movies

Crash and burn!


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