Two Objects Are in Circular Orbits of Different Radii Around

question 46

Multiple Choice

Two objects are in circular orbits of different radii around the Sun.Which object has the highest orbital speed?

• A)The one closest to the Sun.
• B)The one farthest from the Sun.
• C)Once in orbit around the Sun,all objects have the same orbital speed regardless of distance from the Sun.It is the greater radius and greater resulting circumference that causes the object farther from the Sun to take longer to complete an orbit.
• D)This cannot be found without knowing the relative masses of the objects.

---

Definitions:

Marginal Cost

The increase in total cost that arises from producing one additional unit of a product or service.

Average Total Cost

The total cost of production divided by the number of units produced, which includes both fixed and variable costs.

Total Cost

The complete expense incurred in production, combining both fixed and variable costs.

Wage Rates

The standard amount of compensation given to employees for their services per unit of time or piece of work.