jaydenr6 jaydenr6
  • 23-06-2014
  • Mathematics
Answered

A ball falls, rebounds to 72% of its previous height and falls again. After two bounces, the ball reached a height of 25cm. From what height was the ball dropped originally?



Answer :

Jeffreygindro Jeffreygindro
  • 23-06-2014
48.2
25/72=.3472×100=34.72/72=.4822×100=48.2
Answer Link
tomtomtv tomtomtv
  • 23-06-2014
Max  Height after first bounce = 25/0.72 = 34.72cm
Original Height from which the ball was dropped = 34.72/0.72 = 48.22 cm (2 decimal places)
Answer Link

Other Questions

What is the role of enzymes in organisms?
The day before yesterday I was 25 and next year I will be 28. This is true only one day in a year. What day is my birthday? Explain.
Three consecutive integers such the three times the smallest is 12 more then the largest. Find the integers.
The people who had the greatest influence on FDR were his schoolmates of groton. true or false
What fraction of a pound is forty pence?
Revivalist preachers are best described as
What is the difference between jet streams and global wind belts? SCIENCE!!!
The "Central Powers" in the war were Germany, the Ottoman Empire, Bulgaria, and __________.
how did the voting rights act of 1965 limit states' rights
a carpenter is making a circular table top with circumference 4.5 what is the radius of the table top in centmetres