11. A body increases its speed from 20 km/h to 50 km/h in 10 seconds, its acceleration is: (a) 03 m/s (b) 30 m/s (c) 3 m/s (1) 18 m/s ID
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A body increases its speed from 20 km/h to 50 km/h in 10 seconds, its acceleration is: (a) 03 m/s (b) 30 m/s (c) 3 m/s (1) 18 m/s ID
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