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1. Mathematics
1. Mathematics
2. Physics
2. Physics
3. Electrical fundamentals
3. Electrical fundamentals
4. Electronic fundamentals
4. Electronic fundamentals
5. Digital techniques / Electronic instrument systems
5. Digital techniques / Electronic instrument systems
6. Materials & hardware
6. Materials & hardware
7. Maintenance practices
7. Maintenance practices
8. Basic aerodynamics
8. Basic aerodynamics
9. Human factors
9. Human factors
10. Aviation legislation
10. Aviation legislation
11.  Aeroplane aerodynamics, structures and systems
11. Aeroplane aerodynamics, structures and systems
12. Helicopter aerodynamics, structures and systems
12. Helicopter aerodynamics, structures and systems
13. Aircraft aerodynamics, structures and systems
13. Aircraft aerodynamics, structures and systems
14. Propulsion
14. Propulsion
15. Gas turbine engine
15. Gas turbine engine
17. Propeller
17. Propeller

Last comments in Q&A

Eric Ligi has left comment on RK's question:
got it thanks Read comment

karol288 has left comment on bigbear's question:
Ek=0.5*m*v^2
Ek=0.5*2*12^2
Ek=0,5*2*144=144 J Read comment

karol288 has left comment on RK's question:
26.5 is correct!
15,4/2=7,7
(6,2-15,6)=-9,4
(-2)*(-9,4)=18,8

7,7-(-18,8)=7,7+18,8=26,5

You can use WolframAlpha if you want to verify it Read comment

Eric Ligi has left comment on RK's question:
yep 21,5 Read comment

karol288 has left comment on bigbear's question:
The time of free fall can be calculated:
t=square root(2h/g)
g=10 m/s^2

t = sq.root(2*10/10) = sq.root(2) = 1,41 seconds Read comment

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