Part B Determine the half angle α of the Mach cone A jet plane flies at...
Part B Determine the half angle α of the Mach cone A jet plane flies at M- 2 at an atitude of 5 km correct Part B Determine the speed of the jet plane V: 2258
A jet plane flies overhead at Mach 1.68 and at a constant altitude of 948 .What is the angle of the shock-wave cone?How much time after the plane passes directly overhead do you hear the sonic boom? Neglect the variation of the speed of sound with altitude.
A jet flies at M = 2.3 when it is at an altitude of 18 km. The plane just passes overhead of a ground observer. (a) Sketch the situation for graphical illustration of Mach cone. (b) Calculate the Mach angle. (c) Determine the time lapse to hear the sound of the plane just after the plane passes overhead.
What is the half-angle of a shockwave-cone for a jet travelling at Mach 1.757 16. a. 28.21 b 40.73 c. 40.07" d. 36.36 e 34.85 f. 39.07 Flying at a level where the speed of sound is 280 m/s, what is the speed (in m/s) of a jet flying at Mach 1.6? a. 448.0 m/s b. 3828 m/s c. 358.7 m/s d. 534.0 m/s e. 395.8 m/s . 404.4 m/s A sound wave moves through a medium with density 400.kg/m*...
1. A jet plane passes overhead at Mach 2.5. The jet is flying at an altitude of h = 8000m. Assuming that the speed of the sound is 340 ms-1. (a) Compute the shockwave angle (Mach cone angle) of the moving jet. (b) How long does it take for the shockwave to reach the observer on the ground? A ray of light from air (nair = 1) strikes a flat block of glass (nı = 1.39) of thickness d= 70...
A jet plane passes over you at a height of 4990 m and a speed of Mach 1.75. (a) Find the Mach cone angle. (b) How long after the jet passes directly overhead does the shock wave reach you? Use 331 m/s for the speed of sound.
The half-angle of the conical shock wave formed by a supersonic jet is 28? . Part A What is the Mach number of the aircraft? Part B What is the actual speed of the aircraft if the air temperature is -20?C ?
(a) At an air show a jet flies directly toward the stands at a speed of 1170 km/h, emitting a frequency of 3960 Hz, on a day when the speed of sound is 342 m/s. What frequency (in Hz) is received by the observers? ____________Hz (b) What frequency (in Hz) do they receive as the plane flies directly away from them? ____________Hz
a pilot points his plane due north and flies at a soeed with respect to air given by Vpa=475km/hr. A wind is blowing at Vag= 58km/hr with respect to the ground at an angle of 50degrees south of east. What is the speed of the plane with respect to the ground? Question 1 Hoyerswered Points out of Praction A pilot points his plane due north and flies at a speed with respect to air given by Vpa=475 km/hr. A wind...
A supersonic jet traveling at Mach 2.00 at an altitude of h=23,000 m is directly over a person at time t=0 as shown in the figure below. Assume the average speed of sound in air is 335 m/s over the path of the sound. a) At what time will the person encounter the shock wave due to the sound emitted at t=0 in s b) Where will the plane be when this shock wave is heard? Give the plane's horizontal...