Obi-wan Kenobi has grown bored during his retirement on Tatooine and has decided to start Force-throwing womp rats at Jawas for fun. Womp rats have a characteristic diameter of about 2 m according to Luke Skywalker, who enjoys shooting them from his T-16. To practice, Obi-wan sets up a Jawa-shaped poster to practice inside his hut and throws 25 cm diameter womp rat models at it. If a real womp rat thrown at 1.5 m/s is fatal to a Jawa, what is the maximum velocity Obi-wan should use when throwing his model womp rat at his practice target?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Obi-wan Kenobi has grown bored during his retirement on Tatooine and has
decided to start Force-throwing womp rats at Jawas for fun. Womp rats have a
characteristic diameter of about 2 m according to Luke Skywalker, who enjoys
shooting them from his T-16. To practice, Obi-wan sets up a Jawa-shaped poster
to practice inside his hut and throws 25 cm diameter womp rat models at it. If a
real womp rat thrown at 1.5 m/s is fatal to a Jawa, what is the maximum velocity
Obi-wan should use when throwing his model womp rat at his practice target?
Conditions inside his air-filtered hut where he practices vs. the desert air where
he will throw real womp rats are shown below.
Air Inside Hut
Desert Air
Hair hut
kg
1.65E-5
kg
Hair desert = 1.9E- 5
%3D
m -S
m – S
kg
kg
Pair hut= 1.05
m-
Pair desert=1.21
m
Transcribed Image Text:Obi-wan Kenobi has grown bored during his retirement on Tatooine and has decided to start Force-throwing womp rats at Jawas for fun. Womp rats have a characteristic diameter of about 2 m according to Luke Skywalker, who enjoys shooting them from his T-16. To practice, Obi-wan sets up a Jawa-shaped poster to practice inside his hut and throws 25 cm diameter womp rat models at it. If a real womp rat thrown at 1.5 m/s is fatal to a Jawa, what is the maximum velocity Obi-wan should use when throwing his model womp rat at his practice target? Conditions inside his air-filtered hut where he practices vs. the desert air where he will throw real womp rats are shown below. Air Inside Hut Desert Air Hair hut kg 1.65E-5 kg Hair desert = 1.9E- 5 %3D m -S m – S kg kg Pair hut= 1.05 m- Pair desert=1.21 m
Expert Solution
Step 1

Given that,

Real diameter of womp rat, D=2 m,Model diameter of womp rat, d=25 cm,Velocity of real womp rat, V=1.5 m/sec,Viscosity of air inside hut, μair,hut=1.65×10-5 kgm·s Density of air inside hut, ρair,hut=1.05 kgm3Viscosity of Desert air, μair,desert=1.9×10-5 kgm·s Density of Desert air, ρair,desert=1.21 kgm3

The model is practiced in the Air Inside Hut while the actual practice is to be done in Desert Air.

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