If a Rocket Is Fired Vertically into the Air with a Speed

question 184

Multiple Choice

If a rocket is fired vertically into the air with a speed of feet per second, its height at time t seconds is given by . Here is a graph of its height at various times, with the details left out. How long will the rocket be in the air? ( Hint : How high is it when it hits the ground?)

• A)20 seconds
• B)16 seconds
• C)24 seconds
• D)15 seconds
• E)14 seconds

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Definitions:

Bends Over

The action of leaning forward or curving the spine, typically to reach or pick something up.

Saphenous Vein

A large vein located in the leg and thigh, often used for grafts in coronary artery bypass surgery due to its length and size.

Major Vein

A large blood vessel that carries blood towards the heart from various parts of the body, essential for the circulatory system.

Legs

Limbs on the lower part of the body, enabling movement and support of an individual's weight.