If the Speed of Light Is 3 * 10⁵ Km/s

question 69

Multiple Choice

If the speed of light is 3 * 10⁵ km/s and 1 km = 0.62 mile, what is the speed of light in miles per hour (mph) ?

• A) 670 million mph
• B) 670 thousand mph
• C) 186 mph
• D) 186 thousand mph
• E) 3.2 billion mph

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Definitions:

Base Class

The parent class in inheritance hierarchies from which subclasses inherit attributes and methods in object-oriented programming.

Modifiers

Keywords in programming that you apply to declarations to change their meanings or behaviors; for classes, methods, or variables, they might include public, private, or protected visibility modifiers.

Public

An access modifier in programming languages like Java, allowing members to be accessible from any other class.

Protected

A keyword in programming that restricts access to members of a class to the class itself, its subclasses, and classes in the same package.