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    				| 1. | 1. A motor car is going due north at a speed of 50 km/h.It makes a 90° left turn without changing the speed.The change in the velocity of the car is about(a) 50 km/h towards west, 'day, 70 km/h towards south-west(c) 70 km/h towards north-west(d) zero. | 
| Answer» thank u😊 50√2 km\h towards south west direction | |