Proton a Travels Northward with a Constant Velocity

question 16

Multiple Choice

Proton A travels northward with a constant velocity.Due north of proton A is proton B,traveling to the east at a different constant velocity.In what direction is the magnetic force on A?

• A)to the south
• B)to the west
• C)upward,out of the ground
• D)down into the ground

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Definitions:

Marginal Returns

The additional output gained from increasing one unit of an input while keeping other inputs constant.

Output

The total amount of goods or services produced by a firm or country within a specific period.

Marginal Rate

The rate at which one variable changes with respect to a small change in another variable, often used in the context of taxation.

Technical Substitution

The process of replacing one combination of inputs or technologies with another to produce the same level of output.