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				| 1. | An aircraft has weight of 300N at the time of landing. Calculate braking K.E. if stall speed is 10 m/s. | 
| A. | 1.529 KJ | 
| B. | 156 KJ | 
| C. | 23 KJ | 
| D. | 23.45 KJ | 
| Answer» B. 156 KJ | |