that is 10.0 m long. His speed at? the bottom of the swing, just as he clears the surface of the river, is 8.0 m/s. Tarzan does not know that the vine has a breaking strength of 1.0x10^3 N. What is the largest mass that Tarzan can have and still make it safely across the river? HINT: Don't forget about the effect of Tarzan's weight.