A Stone Is Thrown at an Angle of 30 $\degree$ Above the Horizontal from the Top Edge of a Cliff

question 12

Multiple Choice

A stone is thrown at an angle of 30 $\degree$ 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 5.6 s.How far out from the cliff's edge does the stone travel horizontally? (g = 9.8 m/s² and air resistance is negligible)

• A)58 m
• B)154 m
• C)120 m
• D)197 m

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Definitions:

Mental Alertness

The state of being watchful and ready to respond quickly to any potential danger or challenges.

Anxiety

A mental health disorder characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities.

Underestimate

To assess something as smaller or less important than it actually is; the act of valuing or judging something below its true value or potential.

Overestimate

To assess or regard something as more extensive, important, or capable than it actually is.