A Proton,moving East,enters a Magnetic Field $\vec { B }$ Field Must Have a Component
A)towards the South

question 90

Multiple Choice

A proton,moving east,enters a magnetic field.Because of this magnetic field the proton curves downward.We may conclude that the $\vec { B }$ field must have a component

• A)towards the south.
• B)towards the north.
• C)towards the west.
• D)upward.
• E)downward.

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Definitions:

Contribution Format

A type of income statement where costs are classified as variable or fixed, and the contribution margin is computed by subtracting total variable costs from sales.

Contribution Margin

The difference between total sales revenue and total variable costs, used to cover fixed costs and generate profit.

Contribution Format

An income statement format that separates fixed and variable costs, facilitating analysis of the impact of sales volume on profit.

Unit Contribution Margin

The amount that the sale of one unit contributes toward covering fixed costs and then to profit, calculated as the selling price per unit minus the variable cost per unit.