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Physics/Newton's 2nd Law


Ryan wrote at 2013-07-21 16:26:48
You forgot about inertia, that's why a heavier train takes forever to stop.  Wind resistance does play a role, that's why a feather falls slower that a cannon ball.


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James J. Kovalcin


I am teaching or have taught AP physics B and C [calculus based mechanics & electricity and magnetism] as well as Lab Physics for college bound students. I have a BS in Physics from the University of Pittsburgh and a Master of Arts in Teaching from same. I have been teaching physics for 34 years. I am constantly updating my skills and have a particular interest in modern physics topics.

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