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

question 202

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) 17 seconds
• B) 18 seconds
• C) 21 seconds
• D) 24 seconds
• E) 16 seconds

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Definitions:

Neutron

A subatomic particle found in the nucleus of an atom that has no electrical charge and a mass slightly larger than that of a proton.

Medial

Positioned towards the midline of the body.

Pod/o

A prefix related to feet, utilized in medical terminology to describe conditions, procedures, or anatomical parts concerning the foot.

Bucc/o

A combining form used in medical terminology meaning cheek, relating to the cheek area.