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1. ### Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes break the sound barrier?

...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. ### What is the acceleration of the airplane at t2 = 6.50 s?

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. ### The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is 11400 N....?

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. ### An airplane makes a 90.0° turn while at a constant speed of 217.1 m/s. The acceleration is not constant and t = 20.9s?

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. ### An airplane is flying in a horizontal circle at a speed of v = 625 km/h. If its wings are tilted at angle θ = 10° to the horizontal,?

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. ### What is the minimum required length of the runway?

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. ### What causes megacryometeors? (Falls of large ice masses)?

...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. ### Physics and airspeed?

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

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. ### Physics help please and thank you.?

... 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