A Rock Is Thrown Directly Upward from the Edge of a Flat

question 412

Short Answer

A rock is thrown directly upward from the edge of a flat roof of a building that is 56.3 meters tall. The rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown. Take the acceleration due to gravity to have magnitude and neglect any effects of air resistance. With what speed was the rock thrown?

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Definitions:

Employee Right

Legal or moral entitlements pertaining to workplace safety, remuneration, privacy, and freedom from discrimination among other aspects of employment.

Hazards

Potential sources of harm or adverse health effects on individuals or populations.

Workplace Accident

An unplanned event in the work environment causing injury or illness to employees.

Symptoms of Stress

Physical, emotional, and behavioral signs indicating a person is under too much pressure or experiencing high levels of stress.