Two Spaceships, Each 100 M Long in Its Own Rest

question 33

Multiple Choice

Two spaceships, each 100 m long in its own rest frame, approach Earth from opposite directions, with equal speeds relative to Earth. As measured by a passenger in one of the spaceships, the other spaceship is 96 m long. What is the speed of the spaceships?

• A) c/7
• B) c/6
• C) c/5
• D) c/4
• E) c/3

Grasp how psychological theories explain changes from conception to death.

Analyze the impact of biological maturation on development.

Understand how early experiences influence later development.

Recognize the role of cultural and historical contexts in shaping human development.

---

Definitions:

Depreciation

The gradual decrease in the economic value of the capital stock of a firm, nation, or other entity, either through physical wear and tear or obsolescence.

Net Investment

The total amount of investment in new capital assets minus the depreciation on existing assets, indicating growth in an economy's productive capacity.

Inventory Investment

The change in the stock of goods held by a business for resale or production over a period, part of the investment component in GDP calculation.

Depreciation

The method of spreading out the expense of a physical asset over its lifespan.