Physics
Physics, 04.02.2020 14:43, brendaandrade1889

Heather and jerry are standing on a bridge 51 m above a river. heather throws a rock straight down with a speed of 17 m/s . jerry, at exactly the same instant of time, throws a rock straight up with the same speed. ignore air resistance.
how much time elapses between the first splash and the second splash?

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