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The acceleration-time graph of a particle moving along a straight line is as shown in. At what time the particle acquires its initial velocity? .A. 12 sec.B. 5 sec.C. 8sec.D. 16sec. |
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Answer» `a=10-(5)/(2)t` Now dv=adt, integrating we have, `10-(5)/(4)t^(2)=0` `rArrt=0` or 8 sec. Accepted value 8 sec. |
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