Solve
-A Pebble Is Hurled Upward from the Top of a 384

question 50

Multiple Choice

Solve.
-A pebble is hurled upward from the top of a 384 -foot-tall building with an initial velocity of 80 feet per second. Neglecting air resistance, the height $h ( t )$ in feet of the pebble after $t$ seconds is giv the polynomial function
$h ( t ) = - 16 t ^ { 2 } + 80 t + 384$
a. Find the height of the pebble when $t = 1$ .
b. Find the height of the pebble when $t = 3.7$ .
c. When will the pebble hit the ground?

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Definitions:

Programming Bugs

Errors or flaws in a software program that can cause it to behave unexpectedly or lead to incorrect outcomes.

Input Signal

An electrical or physical quantity received by a system from its environment, which can be processed to produce an output.

Controller

A device or set of devices that manage, command, direct, or regulate the behavior of other devices or systems using control loops.

Scan Time

The time taken by a programmable logic controller (PLC) to read inputs, execute logic, and update outputs, crucial for the timing of control processes.