James and John dive from an overhang into the lake below.James simply drops straight down from the edge.John takes a running start and jumps with an initial horizontal velocity of 25 m/s.Assuming no effects of air,when they reach the lake below
A)the splashdown speed of James is larger than that of John.
B)the splashdown speed of John is larger than that of James.
C)they will both have the same splashdown speed.
D)the splashdown speed of James must be 9.8 m/s larger than that of John.
E)the splashdown speed of John must be 25 m/s larger than that of James.

Question

Quizplus · Accepted Answer

John has an additional horizontal velocity component of 25 m/s, so his resultant splashdown speed will be larger than James, who only has vertical velocity.

James and John Dive from an Overhang into the Lake