A Particle Starts from the Origin at T = 0

question 13

Multiple Choice

A particle starts from the origin at t = 0 with a velocity of m/s and moves in the xy plane with a constant acceleration of m/s². What is the speed of the particle at t = 2.0 s?

• A)52 m/s
• B)39 m/s
• C)46 m/s
• D)33 m/s
• E)43 m/s

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Definitions:

Contribution Margin

The amount of revenue remaining after deducting variable costs, used to cover fixed expenses and generate earnings.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance premiums.

Variable Costs

Expenses that change in proportion to the activity of a business, such as sales volume or production levels.

Fixed Expenses

Costs that do not fluctuate with the volume of production or sales, such as rent, salaries, and insurance premiums.