A Rock Is Projected from the Edge of the Top $\degree$

question 7

Multiple Choice

A rock is projected from the edge of the top of a building with an initial velocity of 12.2 m/s at an angle of 53 $\degree$ above the horizontal.The rock strikes the ground a horizontal distance of 25 m from the base of the building.Assume that the ground is level and that the side of the building is vertical.How tall is the building?

• A)25.3 m
• B)29.6 m
• C)27.4 m
• D)23.6 m
• E)18.9 m

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Definitions:

Cost-Benefit Analysis

An organized method for assessing the positives and negatives of various alternatives, aimed at finding the optimal solution that maximizes benefits and maintains savings.

Pollution Rights

Permits or allowances that authorize the holder to emit a certain amount of a pollutant, used in regulatory approaches to manage environmental impacts.

Supply Curve

A graphical representation of the relationship between the price of a good and the quantity of the good that suppliers are willing and able to sell.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of the good that consumers are willing and able to purchase at various prices.