A Fly In The Air In A vehicle ( Archived) (23)

Mar 15, 2011 7:32 PM CST A Fly In The Air In A vehicle
Zimzane
ZimzaneZimzaneManhattan, Kansas USA40 Threads 2 Polls 352 Posts
A remarkable idea.



wave
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Mar 15, 2011 7:50 PM CST A Fly In The Air In A vehicle
RDM59
RDM59RDM59Edinburgh, Lothian, Scotland UK92 Threads 5 Polls 14,070 Posts
Imagine you are on a speeding train doing 100 mph. You happen to be playing a liesurely game of table tennis with a friend hitting the ball back and forth to each other at 10 mph. If the train crashes and is suddenly stopped in it's tracks ( sorry ), at what speed does the ping pong ball hit the wall of the carriage ?

playball
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Mar 15, 2011 8:48 PM CST A Fly In The Air In A vehicle
0rpheus
0rpheus0rpheusSomewhere in, East Riding of Yorkshire, England UK8 Threads 425 Posts
professorDon't want to mess anything up however we are talking inertia and not gravity.

A fly within a vehicle whether in flight or not still carries it's inertial energy from the forward momentum of the vehicle. If the vehicle stops that energy will be translated into a froward momentum. Thus you have to clean your windshield. tongue
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