620 seconds after starting its take-off, a 260000 kg jet reaches its cruising altitude of 9200 meters and flies with a speed of 235 m/s. Neglecting friction, what has been the average power output of the engines?
ΔKE = Work
Power = Work/time
The Attempt at a Solution
Initial KE = 0
Final KE = .5*260000*235^2 = 7179250000
Power = 7179250000/620 = 11579435.48 Watts
Can someone see an issue with what I am trying to do here? I tried to type in this answer but apparently it is wrong.