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  1. ...nothing can travel faster than the speed of light in vacuum. Supersonic airplanes break the sound barrier by flying faster than the speed of sound. ...

    2 Answers · Science & Mathematics · 25/05/2019

  2. Assume that the plane has velocity v₀ at the origin s = v₀t + ½at² 477.20 = v₀6.00 + ½a6.00² 477.20 - 18a = v₀6.00 79.533 - 3a = v₀ also 630.90 = v₀7.00 + ½a7.00² 630.90...

    2 Answers · Science & Mathematics · 04/09/2019

  3. Picture is quite fuzzy, so I'm guessing at the angle of the mount being 32° from vertical with an arm of 2.50 m magnitude of the torque due to (a) the weight τ = 11400(2.5sin32) = 15.1 kN•m magnitude of the torque due to (b) the thrust. τ = 56000(2.5cos32) = 119 kN•m I hope...

    1 Answers · Science & Mathematics · 07/04/2019

  4. I agree with your value for centripetal acceleration, but the implication here is that the plane is not following a circular path. Try calculating the acceleration in the original direction of travel as the component of velocity in that direction changes from 217.1 m/s to zero...

    2 Answers · Science & Mathematics · 12/09/2019

  5. 625km/h * 1m/s / 3.6km/h = 173.6 m/s horizontal (radial, or centripetal) acceleration ax = v²/r vertical acceleration is zero, which means that ay = g where ax and ay are provided by the "lift." ax / ay = tanΘ = v² / gr r = v² / gtanΘ = (173.6m/s)²...

    1 Answers · Science & Mathematics · 04/10/2019

  6. The first step is to convert the final speed of the airplane from km/h to m/s. One kilometer is 1,000 meters. One...

    2 Answers · Science & Mathematics · 04/09/2019

  7. ...in front of his car. The sky was clear, and he saw no airplane. Over the years, this type of event has been ...

    2 Answers · Science & Mathematics · 25/05/2019

  8. During the time the ball is falling, it has a vertical acceleration of 9.8 m/s^2. Use the following equation to calculate the time. d = vi * t + ½ * a * t^2 Since ball is moving horizontally, its initial vertical velocity...

    3 Answers · Science & Mathematics · 13/09/2019

  9. Speed of plane with respect to ground = speed of plane with respect to air + speed of air with respect to ground But we want the speed of plane with respect to air = Speed of plane with respect to ground - speed of air with respect to ground Or simply put, you need to...

    1 Answers · Science & Mathematics · 17/05/2019

  10. ... assuming no drag find Vx Vx = Vo cos 30 = 252(0.8660) = 218.24 m/s find Vyi Vyi = 252 sin30 = 126 m/s find Vyf after fall Vyf^2 = Vyi^2 + 2 g d = 126^2 + 2(-9.81)(-2100) = 57078 Vfy = -238.91 m/s (we choos negative root because it's...

    2 Answers · Science & Mathematics · 20/09/2019

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