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  1. import math
  2. def meteor(n):
  3. 	r = .09
  4. 	m=7 
  5. 	b=1.5e-3 
  6. 	x = 200.*1000
  7. 	v = -20.*1000
  8. 	H = 7.6*1000
  9. 	g = 9.8 # m/s2
  10. 	t_max = -x/v*10
  11. 	dt = t_max/n 
  12. 	for i in range(n):
  13. 	 dx = v*dt
  14. 	 x = x+dx 
  15. 	 if x<0.:
  16. 		 return v 
  17. 	 F = b*v**2*math.exp(-x/H)-m*g
  18. 	 a = F/m
  19. 	 dv = a*dt
  20. 	 v = v+dv
  21. return -999
Runtime error #stdin #stdout 0.03s 6352KB
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https://ideone.com/BLiWI
language:
Python (cpython 2.7.16)
created:
14 years ago
visibility:
public

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