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  1. ... "Monocoque" building of cars and airplanes. Keep the mass and strength further away from the centre and the resistance...

    1 Answers · Science & Mathematics · 28/02/2018

  2. For simple harmonic motion, maximum velocity = ω*A and maximum acceleration = ω^2 * A Where A is amplitude and ω is angular velocity = 2pi * frequency 2pi(27.4 s^-1)(0.00170 m) = 0.293 m/s [2pi(27.4 s^-1)]^2 * (0.00170 m) = 50.4 m/s^2

    1 Answers · Science & Mathematics · 11/01/2018

  3. The angle between plane direction and wind will be 45° Use cosine rule for magnitue resultant magnitude =√[610²+110²-2(610)(110)cos45] = 538 km/h Use sine rule for angle sine(resultant velocity angle)/110 = sin 45/538 resultant velocity angle = 8.31° east of south With wind, in 16 min the plane...

    2 Answers · Science & Mathematics · 06/01/2018

  4. If that 34 meters is slant distance, then the altitude gain would be 34sin(26°) = 14.9 meters If that 34 meters is horizontal distance, then the altitude gain would be 34tan(26°) = 16.6 meters

    4 Answers · Science & Mathematics · 26/12/2017

  5. F = αv²+β/v² 7Power output of engine is P = Fv P = (αv²+β/v² )v . .= αv³ + β/v P depends on the rate of burning fuel. We assume the efficiency1 of the engine does not change with...

    1 Answers · Science & Mathematics · 23/12/2017

  6.      Δp = Pt - p = ½ ρ.V² > V = √(2.Δp/ρ) = (2*9460/0.364)^0.5 = 228 m/s = 821 km/h  

    1 Answers · Science & Mathematics · 18/12/2017

  7. (3.32 x g) = centripetal acceleration of 32.54m/sec^2. (9.8 for g). a) Radius = (v^2/a) = (106^2/32.54) = 345.3 metres. b) Centripetal force = (ma) = (90.8 x 32.54) = 2,954.6N., towards the centre of the radius.

    1 Answers · Science & Mathematics · 17/12/2017

  8. ... no aliens. Nobody lives on other planets. Airplanes that go down are hit by demons because they need the airspace to fight...

    2 Answers · Science & Mathematics · 01/02/2018

  9. a) t = d / c t = 8x10^3 / 3x10^8 = 2.67x10^-5 s = 16.7 µs b) I = 1/2 εo c E^2 E = [(2 I) / (εo c)]^1/2 E = [(2*15x10^-6) / (8.85x10^-12*3x10^8)^1/2 = 0.106 V/m c) B = (εo μo)^1/2 E B = (8.85x10^-12*1.256x10^-6)^1/2 * 0.106 = 3.544x10^-10 T d) P...

    2 Answers · Science & Mathematics · 30/11/2017

  10. ...before, it is not the same, but here are the steps! 1.) An airplane has an effective wing surface area of 14 m2 that is generating...

    1 Answers · Science & Mathematics · 26/11/2017

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