Re: A Car's velocity

From: Ornik Valid (invalid_at_nospam.com)
Date: 02/05/05 

Date: Fri, 4 Feb 2005 19:46:49 -0600

"Richard M" <richard.mcpherson@gmail.com> wrote in message
news:1107566885.832947.28070@o13g2000cwo.googlegroups.com...
> Could someone please tell me why a vehicle's speed can't increase by 10
> ms^-1 instantaneously in the physical world. Suppose if it could, how
> how would a speedometer read this?
>

Velocity change requires acceleration.
If by instantaneously you mean Zero, infinite acceleration is required

V = a*t, where you imply t = 0

If t = 0.0000001 sec then a is finite.

How much money do you have for the speedometer design phase?

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