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1. |
A car of mass 800 Kg is moving on an expressway. In order to increase the speed of the car from 54km/hr to 90km/hr the work required to be done will be |
A. | 150 KJ |
B. | 160 KJ |
C. | 250 KJ |
D. | 200 KJ |
Answer» C. 250 KJ | |