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| Q.19 | A ball of weight 0.2 N falls from a height of 5 m and rebounds to a height of 3.2 m. The ball and floor remain in contact for 0.1 second. Find the average force between ball and floor. [g = 10 m/s2] | |
| Ans | 1. 3.6 N | |
| 2. 5.4 N | ||
| 3. 1.8 N | ||
| 4. 6.0 N |
Correct Ans: 1
