A Rock Is Projected from the Edge of the Top

question 54

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° 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:

Pathologic

Regarding or caused by disease, or relating to the study of disease processes.

Autopsy

A post-mortem examination of a body to determine the cause of death or disease, performed by a pathologist.

Retreatment

The act of treating a medical or dental condition again after an initial treatment, often because the first treatment was not completely successful.

Rheumatoid Arthritis

An autoimmune disorder that primarily affects joints, causing inflammation, pain, and deformity.