Free Fall: a Test Rocket Is Fired Straight Up from Rest

question 3

Multiple Choice

Free fall: A test rocket is fired straight up from rest with a net acceleration of 20.0 m/s². After 4.00 seconds the motor turns off, but the rocket continues to coast upward with no appreciable air resistance. What maximum elevation does the rocket reach?

• A) 487 m
• B) 327 m
• C) 320 m
• D) 408 m
• E) 160 m

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Definitions:

Iron Deficiency Anemia

A common type of anemia resulting from inadequate iron, leading to insufficient production of healthy red blood cells.

Hypertension

A condition characterized by consistently elevated blood pressure above the normal range.

Blood Pressure

A measure of the force of blood pushing against the walls of the arteries as the heart pumps blood.

Bradycardia

A slower than normal heart rate, typically defined as a resting heart rate of under 60 beats per minute in adults.