A Particle Leaves the Origin with a Velocity of 7 $\hat{\mathbf{i}}$

question 17

Multiple Choice

A particle leaves the origin with a velocity of 7.2 m/s in the positive y direction and moves in the xy plane with a constant acceleration of (3.0 $\hat{\mathbf{i}}$ - 2.0 $\hat{\mathbf{j}}$ ) m/s2. At the instant the particle moves back across the x axis (y = 0) , what is the value of its x coordinate?

• A)65 m
• B)91 m
• C)54 m
• D)78 m
• E)86 m

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Definitions:

Marginal Revenue

The additional income earned from selling one more unit of a good or service.

Marginal Cost

The elevated cost of producing an additional unit of a product or service.

Average Cost

The total cost of production divided by the total quantity produced, indicating the cost per unit of output.

Monopolist

An individual or entity that holds exclusive control over the supply of a particular goods or service, allowing them to manipulate market conditions.