engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Work Power and Energy Kinetic Energy
If a rubber ball falls from a height h and rebounds upto the height of h/2. The percentage loss of total energy of the initial system as well as velocity ball before it strikes the ground, respectively, are :
1
\(50\%, \sqrt{\frac{gh}{2}}\)
2
\(50\%, \sqrt{gh}\)
3
\(40\%, \sqrt{2gh}\)
4
\(50\%, \sqrt{2gh}\)