Question

Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down...

  1. Alice and Tom dive from an overhang into the lake below. Tom simply drops straight down from the edge, but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s. Neither person experiences any significant air resistance. Just as they reach the lake below
    1. the speed of Alice is larger than that of Tom.
    2. they will both have the same speed.
    3.   the vertical speed of Alice is larger than that of Tom.
  2. D the speed of Tom will always be 9.8 m/s larger than that of Alice.
  3. E the speed of Alice will always be 25 m/s larger than that of Tom.

The correct answer is A

explain why the other B,C,D,E are incorrect ?

Science   Advanced-Physics   
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