Saved Bookmarks
| 1. |
A ball rolls down from the top of a staircase with horizontal velocity 36 m/s. If each step is 4 m high and 3 m wide, the ball just hits the edge of the nth step where n=1152αg , then α is : [g is the acceleration due to gravity] |
|
Answer» A ball rolls down from the top of a staircase with horizontal velocity 36 m/s. If each step is 4 m high and 3 m wide, the ball just hits the edge of the nth step where n=1152αg , then α is : |
|