Date: Wed, 18 Jan 2012 13:44:57

Author: --- "R. W. Tarara"

Subject: Re: Projectile Motion with Air Resistance


Sling-shots to launch ping pong balls and similar sized heavier balls
(rubber perhaps)?

Getting fancy--a rig with two slings side by side that could launch
simultaneously at a given angle across the front of the room. Video and
play back in slow motion?


From: "Dale E. Stille"
Sent: Wednesday, January 18, 2012 10:54 AM
Subject: Re: [tap-l] Projectile Motion with Air Resistance

> JZ,
> A couple of thoughts. Vacuum Cannon. The ping pong ball comes out at 1/2
> to 3/4 the speed of sound depending on the length of the cannon. However,
> if you shoot it across the lecture room, ( say 30 feet ) the air
> resistance effect is clearly visible as it will almost not make it to the
> wall.
> The only other way I have heard of that I can remember is to stick a ping
> pong ball on the end of a dart gun dart and shoot it across the room.
> Then have another dart that is just the dart shaft but has the same mass
> as the dart + ping pong ball and see that it will go much farther.
> Later,
> Dale
> On 1/17/2012 3:45 PM, Zani, Gerald wrote:
>> Tappers,
>> I am seeking a demo to show how air resistance has an effect the range
>> of a projectile.
>> Any ideas?
>> Thanks,
>> - Jerry
>> --
>> Gerald Zani
>> Demonstration Manager
>> Physics
>> Brown University
>> (401) 863-3964