An auto-mobile and a truck starts from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.1 m/s2 and the automobile has acceleration 3.4 m/s2. The auto-mobile overtakes the truck after the truck has moved 40 m.
(i) How far was the automobile behind the truck initially ?
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Ans.
(i)
Sol. 24.8 m
(ii)
Sol. 64.8 m
(iii)
Sol. 
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