Acceleration 7487

The runway of the aircraft on the mother ship is 49m long. Calculate the aircraft's acceleration so that its speed when leaving the ejection device reaches 252km/h.

Correct answer:

a =  50 m/s2

Step-by-step explanation:

s=49 m v=252 km/h→ m/s=252:3.6  m/s=70 m/s  s = 21​a t2 v = at  2s = vt  t=2⋅ s/v=2⋅ 49/70=57​=1.4 s  a=v/t=70/1.4=50 m/s2

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