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  • 4. A particle moving with an initial velocity of 8m/s is subjected to a uniform acceleration of 2.5m/s 2. Find the displacement in the next 4 sec.  

4. A particle moving with an initial velocity of 8m/s is subjected to a uniform acceleration of 2.5m/s 2. Find the displacement in the next 4 sec.

 

Answers (1)

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In this question,

  • Initial velocity u = 8 m/s

  • Acceleration a = 2.5 m/s2

  • Time t = 4 s

\begin{aligned} &s=u t+\frac{1}{2} a t^2\\ &\begin{gathered} s=(8 \times 4)+\frac{1}{2} \times 2.5 \times(4)^2 \\ s=32+\frac{1}{2} \times 2.5 \times 16 \\ s=32+1.25 \times 16 \\ s=32+20 \\ s=52 m \end{gathered} \end{aligned}

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Divya Sharma

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