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(a) How long (in s) would it take a 1.00 ✕ 105 kg airplane with engines...

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Physics

(a) How long (in s) would it take a 1.00 ✕ 105 kgairplane with engines that produce of 100 MW of power to reach aspeed of 200 m/s and an altitude of 12.0 km if air resistance werenegligible?

_? s

(b) If it actually takes 950 s, what is the power applied, inmegawatts?

_? MW

(c)Given this power, what is the average force (in kN) of airresistance if the airplane takes 1200 s? (Hint: You must find thedistance the plane travels in 1200 s assuming constantacceleration.)

_? kN

Answer & Explanation Solved by verified expert
4.2 Ratings (802 Votes)
a Solve this problem using conservation of energy Means Etot KE PE Pt mv mgh 100 x 106 x t 12 x 1 x 105 x 2002 1 x 105 x 98 x 12000 100 x 106 x    See Answer
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