3 years ago

Please hurry i need this fast

1 answer:

6 0

Answer:

Step-by-step explanation:

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Bond [772]

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Brums [2.3K]

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About 0.559 seconds

Step-by-step explanation:

The height equation is:

$h=-16t^2+h_0$

Where $h_0$ is the initial height of the book, which is 5, so we can write:

$h=-16t^2+5$

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

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

$h=-16t^2+5\\0=-16t^2+5\\16t^2=5\\t^2=0.3125\\t=0.5590\\t=0.559$

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

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adell [148]

23f in verbal expression"twenty-three f".

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allsm [11]

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2 years ago