MCQOPTIONS
Saved Bookmarks
| 1. |
A dish of mass 10 gm is kept horizontally in air by firing bullets of mass 5 g each at the rate of 10 per sec. If the bullets rebound with the same speed, what is the velocity with which the bullets are fired? |
| A. | 49 cm/sec |
| B. | 147 cm/sec |
| C. | 98 cm/sec |
| D. | 196 cm/sec |
| Answer» D. 196 cm/sec | |