A mistake in a physics SAT prep book or an Underlying Paradox in freefall explanation?! HELP NEEDED

human997
Tue, 05 Aug 2014 02:40:26 +0000

vf should not be 0 at the end. That is an incorrect assumption. The first problem does not assume vf to be 0. The equation used, s=(vi)t+0.5gt^2 does not assume vf is 0.