An airplane taking off has an acceleration of a = a, – kv², where a, = 2 m/s² and k = 4 x 10° m²'. If the velocity needed for takeoff is 250 km/hr, what is the runway length needed? Recalculate your...

Extracted text: An airplane taking off has an acceleration of a = a, – kv², where a, = 2 m/s² and k = 4 x 10° m²'. If the velocity needed for takeoff is 250 km/hr, what is the runway length needed? Recalculate your answer if the drag term (k²) is neglected and a is a constant a = a,=2 m/s².