Saved Bookmarks
| 1. |
A body falls freely from rest. If the velocity acquired is numerically equal to the displacement,then the velocity acquired is 1) 9.8 m/s 2) 19.6 m/s3) 29.4 m/s 4) 39.2 m/s |
| Answer» CORRECT OPTION isB19.6 m/sv 2 =U 2 +2asa=g∣v∣=∣s∣u=0v 2 =0 2 +2gvv=2g∣v∣=2g=2×9.8=19.6 m/s 2 | |