Question

A ball is dropped from a height of
15
metres above ground. After the ball touches the ground it
bounces to 60% of its previous height. Determine how far the ball has traveled vertically when it
hits the ground for the 4
th time. Round your answer to the nearest tenth of a metre.

Answer 1

drop , then up and down three times

15 ... hit ... 9 + 9 ... hit ... 5.4 + 5.4 ... hit ... 3.24 + 3.24 ... hit