InterviewSolution
Saved Bookmarks
| 1. |
9.) A ball of mass 50 g is dropped from a height of20 m. A boy on the ground hits the ball verticallyupwards with a bat with an average force of 200 N,so that it attains a vertical height of 45 m. Thetime for which the ball remains in contact with thebat is [Take g 10 m/s21(1) 1/20th of a second (2) 1/40th of a second(3) 1/80th of a second (4) 1/120th of a second |
| Answer» | |