A Spaceship Moves at a Speed of 0

question 19

Multiple Choice

A spaceship moves at a speed of 0.95 c away from the Earth. It shoots a star wars torpedo toward the Earth at a speed of 0.90 c relative to the ship. What is the velocity of the torpedo relative to the Earth? (The direction in which the spaceship moves is the positive direction.)

• A) −0.34 c
• B) 0.34 c
• C) 0.060 c
• D) −0.060 c
• E) 0

---

Definitions:

Scrap Price

The amount of money that can be received for materials or products that are considered waste or unusable in their primary form.

Raw Material

The basic material from which products are made, not yet subjected to any processing or manufacturing.

Material R

A specified type of raw material used in the production of goods, referred to as "Material R" for distinction purposes.

Fixed Expenses

Costs that do not change with the level of output or sales and remain constant over a period, such as rent or salaries.