Determination for the modal age level for the grades IV and VI of the difficulty of the principle: "The amount of momentum possessed by an object depends upon its weight and speed of motion.

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Date
1953
DOI
Authors
Perkins, Walter S
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URI
https://hdl.handle.net/2144/9419
OA Version
Citation
Abstract
Description
Thesis (M.A.)--Boston University
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Based on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.
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Dissertations and Theses (pre-1964)