A ball is dropped from a height of 10 m If the energy of the ball reduces by 40 after striking the g...

Name: Lido Learning Solutions
Uploaded: 2022-01-05T06:16:12+00:00
Description: Science Exemplar Problems - class 9 Work and Energy Work and Energy - Exercise solutions written by Lido's expert teachers

Question

A ball is dropped from a height of 10 m If the energy of the ball reduces by 40 after striking the ground how much high can the ball bounce back g 10 m s2

Accepted Answer

mghm1010 100m joules when 40 energy is reduced remaining energy will be 60mjoules Hence 60 m x 10 h H 6m

NCERT Exemplar Solutions Class 9 Science Solutions for Work and Energy - Exercise in Chapter 11 - Work and Energy