11 Physics Work, Energy, And Power - Set No : 41 Question No :1
Question No : 1
A stone
of mass 2 kg is projected upward with KE of 98 J. The height at which the KE
of the body becomes half its original value, is given by (Take  ) |
| a) | 5 m | b) | 2.5 m |
| c) | 1.5 m | d) | 0.5 m |
Answer No : 1
(b)     Given
   |