Why the Monkey / Hunter demonstration is important.
So many teachers do this demo in class, but don't explain the whole story. If the Hunter shoots at the Monkey within a falling elevator, i.e. a frame of reference accelerating at the same rate as the monkey and the shot, it become obvious why the monkey will always be hit ... in HIS frame, he is NEVER moving. The shot is also accelerating in the same manner and so always follows the same path to the monkey, within this frame of reference.

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