James and John Dive from an Overhang into the Lake

question 11

Multiple Choice

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. 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 will always be 9.8 m/s larger than that of John.
• E) the splashdown speed of John will always be 25 m/s larger than that of John.

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