John Throws a Rock Down with Speed 20 M/s from the Top

question 10

Multiple Choice

John throws a rock down with speed 20 m/s from the top of a 30-m tower.If g = 9.8 m/s² and air resistance is negligible,what is the rock's speed just as it hits the ground?

• A) 12 m/s
• B) 28 m/s
• C) 31 m/s
• D) 78 m/s

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Definitions:

Professional Race-Car Driver

An individual who competes in auto racing events professionally and as a career, often under contract with racing teams or sponsors.

Actual Authority

The explicit power given to an agent or representative by a principal, allowing them to make decisions and act on the principal's behalf.

Apparent Authority

Apparent authority refers to a situation where a person appears to have the authority to act on behalf of another (such as an employer) even if no actual authority has been granted, leading others to reasonably believe in that authority.

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An accord reached by two or more parties who have made concessions to each other to resolve a conflict or reach a decision.