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Falling Bullet

Published on Dec 04, 2015

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PRESENTATION OUTLINE

1.

FALLING BULLETS

WHY THEY FALL AND WHY THEY DON'T FALL
Photo by J Hutcheon
2.

YOU

YOU AND THE GUN ARE AT AN EQUILIBRIUM SO THE GUN DOESNT FLY BACK
Photo by ArtBrom
3.

THE GUN

  • The hammer hits the firing pin
  • The firing pin hits the primer
  • The primer ignites the gunpowder
  • The net force of the explosion propells the bullet forward
  • The bullet leaves the barrell spinning due to the grooves in the barrell
Photo by Charles SEGUY photography
4.

HOW FAST DOES IT FALL

A BULLET LEAVING A GUN FALLS AT THE SAME SPEED AS A BULLET DROPPED
Photo by nosha
5.

WHY IT FALLS

THE BULLET IS NOT TRAVELING FAST ENOUGH TO OUTWAY GRAVITY
Photo by ЕленАндреа
6.

HOW FAST WOULD IT HAVE TO TRAVEL

THE BULLET WOULD HAVE TO TRAVEL AT ESCAPE VELOCITY
Photo by kcdsTM
7.

ESCAPE VELOCITY

ESCAPE VELOCITY IS 11.2 KM/S
Photo by Curtis Gregory Perry
8.

FASTEST BULLET

THE WORLDS FASTEST BULLET TRAVELS AT 1284 M/S
Photo by brentdanley
9.

NO NATURAL

THERE IS REALLY NO "NATURAL MOTION" HERE EXCEPT EARTH SPINNING
Photo by Pink Sherbet Photography
10.

UNNATURAL MOTION

ALMOST ALL MOTION HERE IS CAUSED BY HUMAN MADE FORCES
Photo by Alex Abian (Also on flickr.com/alexabian)

Joey Harrell