Saved Bookmarks
| 1. |
65.A staircase contains three steps each 10cm high and 20cm wide.what should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane? |
| Answer» 65.A staircase contains three steps each 10cm high and 20cm wide.what should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane? | |