Saved Bookmarks
| 1. |
Find the initial velocity of a car if it can be a stop in 10 second by applying brakes which provide it a retardation of 2.5m/s². |
|
Answer» U = ? V = 0 t = 10s a = -2.5 m/s² v = u +at ⇒ 0 = u + (-2.5)×10 ⇒ 0 = u - 25 ⇒ u = 25 m/s Initial VELOCITY was 25 m/s |
|