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Author Question: If a plane is flying at a speed so that the apex half-angle of its shockwave is 30, what is its ... (Read 82 times)

savannahhooper

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on: Aug 6, 2020

Question 1

How fast (in m/s) is the Concorde moving if it reaches Mach 1.5? (The speed of sound in air is 344 m/s.)

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229

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516

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416

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728

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858


Question 2

If a plane is flying at a speed so that the apex half-angle of its shockwave is 30°, what is its speed if the speed of sound is 320 m/s?

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960 m/s

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640 m/s

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320 m/s

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160 m/s

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Choose this answer if a shock wave cannot form in this situation.
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Marked as best answer by savannahhooper on Aug 6, 2020

lindahyatt42

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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savannahhooper

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Reply 2 on: Aug 6, 2020
YES! Correct, THANKS for helping me on my review

momolu

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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