{{{id=1|
#given 
s = 2000 #m

t = 50 #s

u = 10 #m/s

#we find 'a' from the equation s = u*t + 1/2*a*t^2

a = var('a')    

solve(2000 - 10*50 - 0.5*a*50**2 == 0, a)
///
[a == (6/5)]

{{{id=3| #final velocity a = (6/5.) v = u + a*t print v /// 70.0000000000000 }}}

{{{id=5| #final takeoff velocity = 70 m/s /// }}}}}}

SageDays/Kreyszig-1.4-2 (last edited 2010-08-10 12:40:11 by bhanukiran)