Solve the Problem. -When an Object Is Dropped to the Ground from a Ground

question 85

Multiple Choice

Solve the problem.
-When an object is dropped to the ground from a height of h meters, the time it takes for the object to reachthe ground is given by the equation where t is measured in seconds. Solve the equation for h.Use the result to determine the height from which an object was dropped if it hits the ground after fallingfor 7 seconds.

• A) 240.1 meters
• B)h = 24.01t; 168.1 meters
• C) 1,176.5 meters
• D)h = 4.9t; 34.3 meters

---

Definitions:

Equilibrium System

A system in which dynamic processes occur at equal rates in opposite directions, establishing a stable condition that does not change over time.

Activation Energy

The smallest quantity of energy necessary to start a chemical reaction.

Equilibrium

A state in a chemical reaction where the rates of the forward and reverse reactions are equal, leading to no overall change in the concentration of reactants and products.

Catalyst

A substance that increases the rate of a chemical reaction without being consumed or permanently altered in the process.