Question

. A rubber ball dropped from 24 m height loses

its kinetic energy by 25%. What is the height to

which it rebounds?​

Answer 1

Answer:

18m

Final KE is 3/4 of Intial KE

Final Speed =√3/2 of initial speed

• H = vf2/2g
• vf = √3/2 of Vi
• Vi = √2g × 24. (H= 24m)
• H = 18m