A Boy Throws a Rock with an Initial Velocity of 3.13

question 11

Multiple Choice

A boy throws a rock with an initial velocity of 3.13 m/s at 30.0° above the horizontal.How long does it take for the rock to reach the maximum height of its trajectory?

• A)0.160 s
• B)0.282 s
• C)0.313 s
• D)0.441 s

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Definitions:

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, and inhibition of nearly all voluntary muscles.

Premenstrual Syndrome

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Emotional PMS Symptoms

Emotional and behavioral symptoms associated with premenstrual syndrome, including mood swings, irritability, anxiety, and depression.

Internal Desynchronization

A state in which the body's internal biological clock is out of alignment with external environmental cues, often affecting sleep and wakefulness.