If a Plane Is Flying at a Speed So That

question 54

Multiple Choice

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?

• A) 960 m/s
• B) 640 m/s
• C) 320 m/s
• D) 160 m/s
• E) Choose this answer if a shock wave cannot form in this situation.

---

Definitions:

Error Probability

The likelihood of making an incorrect decision or inference in a statistical test.

Type I Error

The mistake of rejecting a true null hypothesis, also known as a "false positive" in hypothesis testing.

Denoted

Denoted refers to the act of symbolically representing something - for example, variables in mathematical equations or formulas are often denoted by letters or symbols.

Null Hypothesis

A statement or hypothesis set for statistical testing, suggesting no significant effect or relationship between variables.