math
posted by ross .
a ball tossed to a height of 4 meters rebounds 40% of its previous height. the total distance travelled by the ball by the time it comes to rest is?

S = a/(1r) = 4/(1.4) = 4/.6 = 20/3

a ball tossed to a height of 4 meters rebound to 40% of its previous height.find the total distance traveled by the ball by the time comes to rest?