A fisherman standing on a bridge throws a knife at 2.0 m/s straight down at his partner in a boat 10.0m below. How fast is the knife traveling just before it hits the partner ? (At this point I’m gonna drop out this class makes no sense to me)

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?