Projectiles: a Boy Throws a Rock with an Initial Velocity

question 1

Multiple Choice

Projectiles: A boy throws a rock with an initial velocity of at 30.0° above the horizontal. If air resistance is negligible, how long does it take for the rock to reach the maximum height of its trajectory?

• A) 0.110 s
• B) 0.194 s
• C) 0.215 s
• D) 0.303 s

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Definitions:

Amputation

The surgical removal of a body part, typically a limb or extremity, due to injury, disease, or medical condition.

Body Modification

The deliberate altering of the human body for aesthetic or non-medical reasons, such as tattoos, piercings, and plastic surgery.

Deviance

Behaviors or actions that violate the norms and expectations of a society or social group.

Beauty

An aesthetic quality or feature that gives pleasure to the senses or exalts the mind and spirit.