A Stone Is Thrown with an Initial Speed of 15

question 29

Multiple Choice

A stone is thrown with an initial speed of 15 m/s at an angle of 53° above the horizontal from the top of a 40-m building.If g = 9.8 m/s² and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?

• A) 30 m
• B) 39 m
• C) 66 m
• D) 90 m

---

Definitions:

R&D Costs

Expenses associated with the research and development of a company's goods or services, often considered an investment in a company's future.

Historical Cost Principle

An accounting principle that states all assets and liabilities should be recorded and reported at their original purchase cost.

Comparability

A financial accounting principle that allows the financial statements of multiple periods or companies to be comparable with each other.

Conservatism

An accounting principle that mandates recognizing expenses and liabilities as soon as possible when there is uncertainty about the outcome, but only recognizing revenues and assets when they are assured of being received.