Re: Acceleration and curves

[Bob Sciamanda <trebor@VELOCITY.NET>]

If the arrow is given a horizontal velocity of 75mph RELATIVE TO THE
TRUCK, the ground observer will see it fall vertically straight down -
with zero horizontal velocity RELATIVE TO THE GROUND.

Bob

Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
http://www.velocity.net/~trebor

----- Original Message -----
From: James Watson <00j0watson@BSUVC.BSU.EDU>
To: <PHYS-L@lists.nau.edu>
Sent: Friday, August 20, 1999 12:11 AM
Subject: Re: Acceleration and curves


> just had a non-science type friend ask about the arrow fired backwards
at 75 mph from a forward moving 75 mph truck  -- what would person
stationaly on ground at point of release see
> any easy ways to explain this?