How much time elapses between first and second splash

Reference no: EM13270379

Heather and Jerry are standing on a bridge 60m above a river. Heather throws a rock straight down with a speed of 13m/s . Jerry, at exactly the same instant of time, throws a rock straight up with the same speed. Ignore air resistance.

A) How much time elapses between the first splash and the second splash?

Reference no: EM13270379

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