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55. a rubber ball is dropped from a height of 60 feet. if it rebounds approximately two-thirds the distance after each fall, use an infinite geometric series to approximate the total distance the ball travels.

Sagot :

Using an infinite geometric sequence, it is found that the total distance that the ball travels is of 180 feet.

What is a geometric sequence?

A geometric sequence is a sequence in which the result of the division of consecutive terms is always the same, called common ratio q.

The nth term of a geometric sequence is given by:

[tex]a_n = a_1q^{n-1}[/tex]

In which [tex]a_1[/tex] is the first term.

Considering q < 1, the sum of an infinite sequence is given by:

[tex]S = \frac{a_1}{1 - q}[/tex]

In this problem, the first term and the common ratio are given by:

[tex]a_1 = 60, q = \frac{2}{3}[/tex]

Hence the total distance traveled in feet is given by:

[tex]S = \frac{a_1}{1 - q} = \frac{60}{1 - \frac{2}{3}} = \frac{60}{\frac{1}{3}} = 180[/tex]

More can be learned about geometric sequences at https://brainly.com/question/11847927

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