The Crab Pulsar Is a Neutron Star, Rotating with a Period

question 38

Multiple Choice

The Crab Pulsar is a neutron star, rotating with a period of 33.085 ms. It is estimated to have an equatorial radius of 15 km, about average for a neutron star. What is the radial acceleration of an object on the surface at the equator of the pulsar?

• A) 5.4 x 10⁸ m/s²
• B) 2.7 x 10⁸ m/s²
• C) 8.9 x 10⁸ m/s²
• D) 6.7 x 10⁸ m/s²

---

Definitions:

Marginal-Cost Curve

A graphical representation that shows the cost of producing one more unit of a good.

Average-Total-Cost Curve

A graphical representation showing how the average total cost of production changes as the quantity of output is altered.

GPA

Grade Point Average, a measure of a student's academic achievement at a college or university, calculated as a numerical average of grades.

Short Run

A period in which at least one factor of production is fixed, limiting the ability of the economy or firm to adjust to changes.