A Stone Is Thrown at an Angle of 30° Above

question 56

Multiple Choice

A stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 12 m/s.A stop watch measures the stone's trajectory time from top of cliff to bottom to be 4.8 s.What is the height of the cliff? (g = 9.8 m/s² and air resistance is negligible)

• A)140 m
• B)110 m
• C)84 m
• D)29 m

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Definitions:

Persuaded

Convincing someone to do or believe something through reasoning or argument.

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A persuasion strategy where one starts with a small request to increase the likelihood of gaining compliance with a larger request later.

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A large outdoor board for displaying advertisements, typically found alongside busy roads and high-traffic areas.

Candidate

An individual who is considered for a particular position or role, often in elections, job positions, or other competitive environments.