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big brained
Answers (1)
nope, you forgot acceleration (a) a=vf (final velocity) - vi (initial velocity) divided by t (time) the acceleration of a free falling body is 9.8 m/s/s due to the force of gravity. 9.8 m/s/s=vf-19.6m/s / 7s if you multiply both sides by 7, you get 68.6
