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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
3.6 Ratings (377 Votes)
We have given quantities to solve the problem is Mass of airplane with engine M100105kg Power P100MW100106W Velocity V200ms Altitude h12km12000m Since this airplane is in motion and it is at a certain height therefore ke and pe working on it Now ke 12MV peMGH The total mechanical energy of plane is MEkepe    See Answer
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