A truck initially moving with the speed of 50 km/h , accelerates and moves with the speed of 70 km/h after 10 seconds . calculate the acceleration of the truck .
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The speed changes by 20km/h i. e, 200/36m/s in 10 secs
So acc=20/36≈0.555m/sec^2
So acc=20/36≈0.555m/sec^2
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