Answers by Chris Putnam
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Answers by Chris Putnam

Answers by Chris Putnam
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At about 55 meters/sec, a falling parachuter (before the parachute opens) no longer accelerates. Air friction opposes acceleration. Although the effect of air friction begins gradually, imagine that the
answered Jul 15, 2016
4 votes
152k views
The height (in meters) of a projectile shot vertically upward from a point 2m above ground level with an initial velocity of 24.5m/s is h=2+24.5t-4.9t^2 after t seconds. When does the projectile hit the
answered Jan 28, 2015
4 votes
136k views
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