A Stone Is Thrown from the Top of a Building

question 58

Multiple Choice

A stone is thrown from the top of a building with an initial velocity of 20 m/s downward. The top of the building is 60 m above the ground. How much time elapses between the instant of release and the instant of impact with the ground?

• A) 2.0 s
• B) 6.1 s
• C) 3.5 s
• D) 1.6 s
• E) 1.0 s

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Definitions:

Factual Information

Data, details, or knowledge based on real, observable events or items, not influenced by emotions or personal opinions.

Autobiographical Memory

Memory of particular events from one’s own life.

Biographical Memory

A type of memory involving the recollection of personal experiences and events in one's life.

Personal Events

Specific occurrences or experiences in an individual's life that have significant personal implications, impact or meaning.