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by ScottDLS
Fri Sep 10, 2010 8:55 pm
Forum: General Gun, Shooting & Equipment Discussion
Topic: Mystery Bullet In Rowlett
Replies: 44
Views: 8179

Re: Mystery Bullet In Rowlett

glock27 wrote: ...
i watch mythbusters they did a terminal velocity test on dropping a penny from "empire state building" all in scale of course. but a pennies maximum speed is something like 62 miles per hour. a .22 would weigh less than a penny and have less terminal velocity
....
Oh...please tell me you are joking. I believe it was Galileo c.1634 that proved that all objects regardless of weight, fall at the same rate of acceleration (absent wind resistance). Newton then described the physics in much more detail somewhat later. So, drop an anvil and a coyote from a plane and both will fall at the same speed unless coyote spreads out to have a bigger surface area than the anvil.

A .22 would have less wind resistance than a penny and so have a terminal velocity somewhat higher, but I would volunteer to catch it in my hand at 1 mile.

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