Question
A rubber ball dropped from a height of exactly 6 ft bounces several times on the floor, loosing 10% of its kinetic energy each bounce. After how many bounces will the ball subsequently not rise above 3 ft
Answers
.5 = .9*n
log .5 = n log .9
n = log .5 / log .9
log .5 = n log .9
n = log .5 / log .9
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