1.

the speed of a car was 50 km/hr for the first 900 sec then 40km/hr for the next 50km and then the car decelerated uniformly at 10km/hr sq till it comes to rest. average speed of the car was?

Answer» the speed of a car was 50 km/hr for the first 900 sec then 40km/hr for the next 50km and then the car decelerated uniformly at 10km/hr sq till it comes to rest. average speed of the car was?


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