A 1-kg block is on a frictionless surface subject to two equal yet opposite forces for 0.25 seconds as shown in the animation (position is in meters and time is in seconds).
Which animations represent a physical result?
Animations 1, 3, & 5.
See Giancoli-PA: 4-7, Giancoli-SE: 4-7.
Physlet problem authored by Mario Belloni.
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