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Unread 04-12-2015, 22:58
headlight headlight is offline
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Re: Debating with physics teacher.

He might be trying to think of it from a terminal velocity perspective. The heavy rock will have a faster terminal velocity, the lighter rock will have a slower terminal velocity. So it would seem intuitive that the lighter rock is encountering more resistance because it is going slower (even though it is the heavier rock that actually has a greater force being applied to it by the air).

Overall it seems to be a poorly worded question, a more clear question would be to ask which experiences greater drag force due to air resistance.
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