A2.1 times 10 kg jet airplane shown in (Figure 1) goes from zero to 240 km/h in

Question

A2.1 times 10 kg jet airplane shown in (Figure 1) goes from zero to 240 km/h in 77 in during takeoff from the flight deck of an aircraft carrier. Ignore air resistance. Determine the average acceleration. Express your answer to two significant figures and include the Determine the acceleration time interval. Express your answer to two significant figures and include the Determine the average net forcer acting on the airplane during the takeoff. Express your answer to two figures and include the appropriate

Explanation / Answer

Mass m = 2.1 x10 4 kg

Initial velocity u = 0

Final velocity v = 240 km / h = 240 (1000 m) / (3600 s)

= 66.666 m/s

Distance S = 77 m

From the relation v 2 - u 2 = 2aS

66.666 2 - 0 2 = 2a(77)

4444.44 = 2(77) a

From this accleration a = 28.86 m/s 2

   = 29m/s 2

(c).Time t = (v - u) / a

= (66.666-0) / 28.86

= 2.3 s

(d).Force F = ma

= 6.1x10 5 N

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