posted by .

when a ball is dropped, it bounces back up 4/5 of the height from the height it was dropped.If the ball dropped from a height of 200cm, how high does it go after bouncing twice.

  • math -

    1st bounce=0.2(4/5)=0.16m
    2nd bounce=0.16(4/5)=0.128m or 128cm

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    the height that a ball bounces varies directly as the height from which it is dropped. A ball dropped from a height of 20cm bounces 16cm a) Find the height of the bounce if the ball is dropped from a height of 280cm b) Find from waht …
  2. math

    a ball rebounds one half of the height from which it was dropped. The ball is dropped from a height of 160 feet and keeps bouncing. what is the total vertical distance the ball will travel from the moment it is droppedto the moment …
  3. science

    Science Experiment Determine a mathematical modelwhich describes the height of a ball in terms of th number of bounces after it has been droped from a given height. If a ball that bounces like a tenniis ball, is dropped from a given …
  4. calculus

    A ball has bounce coefficient 0 < r < 1 if when it is dropped from height h, it bounces back to a height of rh. Suppose that such a ball is dropped from an initial height a and subsequently bounces infinitely may times. Find …
  5. Math

    a ball rebounds 1/2 of the height from which it is dropped. The ball is dropped from a height of 136 feet and keeps on bouncing. How far will it traveled when it strikes the ground the third time?
  6. physics

    A round ball bounces to 2m after being dropped from an undetermined height. To what height will it bounce if dropped from a height 2.5 times as high?
  7. physics

    two balls are dropped to the ground from different heights. one ball is dropped 2s after the other but they both strike the ground at the same time, 5s after the first is dropped. what is the difference in height from which they are …
  8. maths lit

    a ball is dropped from a height of 2r1/3 meters. It bounces to 3/4 of the height from which it fell at each boune. A) determine the height the ball reaches after one bounce. B) how many bounces does it take to bounce less than 1 meter …
  9. physics

    A ball dropped from a sixth floor window accelerates at 10 m/s^2 After 2 seconds it hits the ground. It bounces back with a velocity of −15 m/s 1.find the height from which the ball was dropped. 2. How high did it bounce?
  10. Math - 3rd grade summer work

    A Super-Duper ball bounces twice its height when it is dropped. Carl dropped a Super-Duper ball from the roof of a 12-foot garage. How high will the ball bounce after 5 bounces?

More Similar Questions