Re: falling objects and tossing objects

[Larry Cartwright <exit60@CABLESPEED.COM>]

If you're wondering what's being referred to here, Sarma's message is in
response to a thread on the PhyShare discussion list.  He inadvertently
posted it to the Phys-L list instead.

Best wishes,

Larry

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Larry Cartwright   <exit60@cablespeed.com>
Retired (June 2001) Physics Teacher
Charlotte MI 48813 USA
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

"D.V.N.Sarma" wrote:
> On 23 Oct 2001, at 15:39, Larry Cartwright wrote:
>
> > Even a quick look at the equations of motion, without any solving,
> > confirms that the thrown ball travels farther than the falling ball.
> > The distances traveled by the two balls is y1 = 1/2*a*t^2 (falling) and
> > y2 = 1/2*a*t^2 + v0*t (thrown).  The second distance y2 is obviously
> > greater than the first distance y1 (for any positive v0 and relatively
> > small value of t).
>
> Substitute v0 = at and we get the distance travelled by the body
> going up as 3/2*a*t^2. This shows that the distance travelled by it
> is three times that of the one coming down.
>
> regards,
>
> Sarma.
>
> > Hope this helps,
> >
> > Larry
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > Larry Cartwright   <exit60@cablespeed.com>
> > Retired (June 2001) Physics Teacher
> > Charlotte MI 48813 USA
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > "Information is not knowledge,
> >  knowledge is not wisdom,
> >  and wisdom is not foresight.
> >  Each grows out of the other
> >  and we need them all."
> >             (Arthur C. Clarke)
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~