A book falls from a shelf that is 5 feet above the floor. A model for the height h in feet if an object dropped from an initial height of h₀ feet is h=-16t² + h₀, where t is the time in seconds after the object is dropped. Use this model to determine approximately how long it took for the book to reach the ground.

About 0.559 seconds

Step-by-step explanation:

The height equation is:

Where is the initial height of the book, which is 5, so we can write:

Now, we want time it took for the book to reach ground (h = 0)

So, we substitute h = 0 and solve for t:

It took about 0.559 seconds for the book to reach the ground

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

ddd

step-by-step explanation: