The Earth Has a Radius of About 6,000 Km

question 52

Multiple Choice

The Earth has a radius of about 6,000 km. How long would it take for an object traveling at the speed of light to circle the earth? (Recall that the speed of light is 300,000 km/s)

• A)1/50 of a second (0.02s)
• B)1/300,000 of a second (0.0000033 s)
• C)1/ 6000 of a second (0.00015 s)
• D)1/2 of a second (0.5 s)

---

Definitions:

Anonymity

The state of being anonymous, where an individual's identity is not known or disclosed.

Surveys

Research tools used for collecting data from a predefined group of respondents to gain information and insights on various topics of interest.

Correlation

A statistical measure that expresses the extent to which two variables fluctuate together, indicating a relationship or association between them.

Relationship

The way in which two or more concepts, objects, or people are connected, or the state of being connected.