When the air  resistance is equal to the force of gravity acting on the object. The resultant force on the object is hence zero, just as its acceleration. The object falls with a
http://wiki.answers.com/Q/When_a_freely_falling_ob...

Standard gravity, usually denoted by g0 or gn, is the nominal
http://www.chacha.com/question/whatistheacceler...

Probably an apple. Newton had the first one, and invented gravity with it. Most people find that an apple is still the best falling object.
http://answers.yahoo.com/question/index?qid=200810...

1. Using s(t)=(1/2)gt^2, with s(t)=640 ft and g=32 ft/sec^2, we get . 640=16t^2 ==> t^2=40 ==> t=sqrt(40) or about 6.32 seconds 2. let x=the speed of the car, and t=the time
http://en.allexperts.com/q/WordProblems2062/2009...
