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Re: Relative velocity problem....



At 21:21 9/10/97 -0400, you wrote:

...
They accept that if they throw the brick backwards at -20 mph the brick
will have no velocity relative to the ground and will simply fall. And
they accept that if they throw the brick straight up it will land back in
the truck (after some simple demos). Yet they will not accept the brick
moving forward. I know, I know.... if they accept the others, it is a
logical conclusion. But they don't see it.

Any ideas?

Ralph von Philp

A video camera, a car and a brick with black and white stripes?

Sincerely

brian whatcott <inet@intellisys.net>
Altus OK