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Grade 12th passAIPMT

if x= acos pi t find the distance travelled in t= 2.5 seconds?

Profile image of ankita
11 Years agoGrade 12th pass
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2 Answers

Profile image of Sumit Majumdar
11 Years ago
The average distance covered would be equal to:
<x_{avg}>=\frac{\int_{0}^{2.5}a\cos{(\pi t)}dt}{2.5}=\frac{[a\sin{(\pi t)}]_0^{2.5}}{2.5\pi}=\frac{[a\sin{(\pi\times\frac{5}{2})}]}{2.5\pi}=\frac{a}{2.5\pi}
Profile image of Adarsh
11 Years ago
Sir what you mean by xavggt

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