1.

12. A car moves towards north at a speed of 54 km/hfor 1 h. Then it moves eastward with same speedfor same duration. The average speed and velocityof car for complete journey is15(1) 54 km/h, O(2) 15 m/s,m/s1254(3) 0, 0(4) 0, km/h2

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option 2



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