Saved Bookmarks
| 1. |
A ball is projected vertically upward . Its speed at half of maximum height is 30mper sec.Maximum height attained by the ball is |
|
Answer» 90mExplanation:V=u+atPut v 0 a=g u=30You GET in 3 s the particle attains max heightA/c to QN v=30m per secondIn 1 second =30 meterIn 3 second=90 meter |
|