Question

A ball is dropped from a height of 10 feet and returns to a height that is one-half the height of the previous bounce each time. How far will the ball have traveled when it hits the ground for the fourth time?

a. 2.75 feet
b. 20 feet
c. 10 feet
d. 25 feet

Answer 1

10+5+2.5+1.25+.625=19.375 as the distance the ball has traveled
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Answer 2

10+5+5+2.5+2.5+1.25+1.25 = 27.5 Feet. The ball goes down 10 then up 5 and 5 back down, up 2.5 etc...