A Meteor Having a Mass of 1000 Kg Moves Through

question 77

Multiple Choice

A meteor having a mass of 1000 kg moves through outer space, far from all planets and stars and far from all gravitational influences, at a speed of 20 km/s (20,000 m/s) . How much work is done on the meteor during a time interval of one second?

• A) 20 J
• B) 1000 J
• C) 20 × 10⁶ J
• D) 20 000 J
• E) None of the above.

---

Definitions:

Element

A fundamental or essential constituent of a composite entity; in contexts like chemistry, an element is a substance that cannot be broken down into simpler substances by chemical means.

Variable

A feature or characteristic that can vary among individuals or over time.

Characteristic

A feature or quality belonging typically to an individual, group, or situation, often used to define or distinguish.

Elements

Fundamental components or parts in a set or system.