As Measured in Earth's Rest Frame, a Spaceship Traveling at 0.9640c

question 63

Multiple Choice

As measured in Earth's rest frame, a spaceship traveling at 0.9640c takes $10.5 \mathrm { y }$ to travel between two planets that are not moving relative to each other. How long does the trip take as measured by someone on the spaceship?

• A) 2.79 y
• B) 6.83 y
• C) 39.5 y
• D) 28.8 y

Comprehend the legal and ethical considerations in professional communication.

Appreciate the role of clarity, brevity, and appropriate tone in business writing.

Understand the best practices for ensuring responses to requests.

Recognize the importance of structural conventions in professional writing.

---

Definitions:

Alpha

In statistics, alpha often denotes the level of significance, a threshold below which the null hypothesis is rejected.

Chi-Square

A statistical test used to determine if a significant relationship exists between two categorical variables in a contingency table.

Degrees of Freedom (df)

Number of values or quantities free to vary when a statistic is used to estimate a parameter.

Expected Frequency

In statistics, the frequency expected in a category of a contingency table under the assumption that the null hypothesis is true.