You are in a fight with the Klingons. They just launched a missile at you which

Question

You are in a fight with the Klingons. They just launched a missile at you which when it hits will generate a pressure value into your ships fundamental of 100 N/m2. You need to deploy the shield around your ship and have to input this pressure mother computer. Unfortunately, your ship's computer can only take it in US units like lb, ft, s, etc. What value should you enter and what is the unit ? (Enjoy the Star Trek reference!) m2 Your friend is in a Vulcan ship and you need to send your friend the information to enter into the Vulcan computer. However, the Vulcan ship takes the value as (Kg.m)/(cm2.s.hr) ? What value should your friend enter?

Explanation / Answer

1 lbf ~4.448Newton, 1N =1/4.448lbf

1ft2~0.0929 m2 , 1m2= 10.764ft2

So, 100N/m2 =( 100/4.448 ) × 10.764 lbf/ft2

241.996 lbf/ft2

Newton = kg.m/s2 , pressure => kg.m/s2.m2

So, for kg.m/cm2.s.hr,

10-4 m2/cm2 and 3600 sec/hr

100×10-4×3600 = 36kg.m/cm2.s.hr,

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