Maria Throws Two Stones from the Top Edge of a Building

question 28

Multiple Choice

Maria throws two stones from the top edge of a building with a speed of 20 m/s.She throws one straight down and the other straight up.The first one hits the street in a time t₁.How much later is it before the second stone hits?

• A)5 s
• B)4 s
• C)3 s
• D)Not enough information is given to work this problem.

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Definitions:

Tangible Assets

Assets that have a physical form such as machinery, buildings, and land.

Intangible Assets

Assets that have special rights but not physical substance

Physical Substance

A characteristic of an asset that consists of material existence; tangible assets that can be seen, touched, or quantified.

Depletion

Systematic and rational allocation of the cost of a natural resource over the period of its exploitation