An Object Is Thrown Upward from a Height of 480 $h = - 16 t ^ { 2 } + 16 t + 480$

question 72

Multiple Choice

An object is thrown upward from a height of 480 feet with an initial velocity of 16 feet per second. The height h (in feet) of the object after t seconds is modeled in the equation $h = - 16 t ^ { 2 } + 16 t + 480$ . How long will it take for the object to reach the ground?

• A)5 seconds
• B)6 seconds
• C)1 second
• D)3 seconds
• E)2 seconds

---

Definitions:

Emphasis Animation

A type of animation used in presentations or digital content to draw attention to specific elements or text.

Arrange All

A feature in many software applications that organizes open windows or documents so that they are all visible simultaneously.

Proportionally Resize

The process of changing the size of an object, such as an image, while maintaining its original aspect ratio to prevent distortion.

WordArt

A feature in Microsoft Office programs that allows the creation of stylized text with various special effects.