A Projectile Is Fired from Ground Level at an Angle

question 17

Multiple Choice

A projectile is fired from ground level at an angle above the horizontal on an airless planet where g = 10.0 m/s².The initial x and y components of its velocity are 86.6 m/s and 50.0 m/s respectively.How long after firing does it take before the projectile hits the level ground?

• A)5.00 seconds
• B)10.0 seconds
• C)15.0 seconds
• D)20.0 seconds

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Definitions:

Projection

A defense mechanism in which undesired thoughts or emotions are attributed to others, instead of recognizing them in oneself.

Acting Out

A behavioral response to emotional conflict or stress, where an individual demonstrates inappropriate or uncontrolled actions.

Tachycardia

An abnormally rapid heart rate, often defined as a heart rate above 100 beats per minute in adults.

Hyperventilation

A condition characterized by rapid or deep breathing often caused by anxiety or panic.