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Analyzing the Apollo 15 Feather and Hammer Drop - A Basic, Introductory Free-Fall Problem

By Flipping Physics, 05/21/2014
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Apollo 15 Video Courtesy of NASA: The 1971 Feather and Hammer Drop Experiment performed by Astronaut David Scott. We analyze the experiment to determine the height from which the feather and hammer were dropped. It is a great, basic, introductory free-fall problem.

Content Times:
0:19 Why the experiment was done.
0:32 Let's enjoy the video
1:27 Beginning to analyze the video
2:23 Using the Frame Rate
3:00 Counting the frames
3:50 Solving for the initial height
4:51 The answer to how high the feather and hammer were dropped
5:31 The Review

[url="http://www.flippingphysics.com/apollo-15-feather-and-hammer-drop.html"]Want Lecture Notes?[/url]

Previous Video:
[url="http://www.flippingphysics.com/introduction-to-free-fall.html"]Introduction to Free-Fall and the Acceleration due to Gravity[/url]

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[url="http://www.flippingphysics.com/dropping-a-ball-from-20-meters.html"]Dropping a Ball from 2.0 Meters - An Introductory Free-Fall Acceleration Problem[/url]

Permissions:
Picture of Moon: By Jmpicot (Own work) [CC-BY-SA-3.0 ([url="http://creativecommons.org/licenses/by-sa/3.0"]http://creativecommons.org/licenses/by-sa/3.0[/url])], via Wikimedia Commons

Picture of Astronaut David Scott and Apollo 15 video: This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted".

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