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Re: [Phys-L] Impacts
From
: "Donald Polvani" <
dgpolvani@verizon.net
>
Date
: Sat, 26 Nov 2016 11:37:33 -0500
Young and Freedman, University Physics, 13th edition, pp 245 - 246, give
three examples:
Ball hits wall with 0.01s collision time (initial and final
velocities = -30m/s and 20m/s, respectively)
Ball hits tennis racket with 0.01 collision time (no
statement of initial and final velocities)
Boy kicks soccer ball with 0.01s collision time (initial and final
velocities = -20.0m/s and 30m/s, respectively)
Serway and Jewett, Physics for Scientists and Engineers, 9th edition, pp 255
- 256, give one example:
Car crashes into wall with collision time of 0.150s (initial
and final velocities = -15.0m/s and 2.60m/s, respectively)
Don Polvani
Adjunct Faculty, Physics, Retired
Anne Arundel Community College
Arnold, MD 21012
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