On Tue, Oct 13, 2009 at 1:47 PM, Daniel Rodriguez <[email protected]> wrote:
> You are traveling in a car going 60mph. You reach for an apple and take a
> bite. You decide you don't like the apple and throw it out the driver side
> window. Question: In which direction does the apple travel?
Direction relative to what? Relative to the driver, who is
traveling with the car, the apple will appear to go backwards, because
it will immediately hit air resistance. (I'm assuming an atmosphere
and constant velocity of the car.) Relative to the ground, the apple
will appear to be traveling forward with the car, and then gradually
slow to a stop. In both cases, the apple also travels away from the
car ("throw"), and also falls down (assuming gravity). Baring
glancing blows altering the trajectory, all motion vectors should be
independent of each other.
-- Ben
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