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8 question please .I have attached the question.Please helpe solve it
steps to answer:1. speed at A is zero (assumption)2. let the length of the straigth track is covered in t1 sec and curved track in t2 sec3. time of travel is minimum when acceleration is maximum4. so the acceleration is “a”5. now write equation of linear motion for straight and curved portions separately6. and solve for t1+t2.....................(t1+t2)min=sqrt(2/a(l+pi*r))
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