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A particle moving with velocity \left(v_0\right)=\alpha t^2, ratio \left ( \frac{\text { Acceleration }}{\text { velocity }} \right ) at time 2 sec will be-

Option: 1

2:1


Option: 2

1:2


Option: 3

1:4


Option: 4

1:1


Answers (1)

best_answer

Velocity  \left(V_0\right)=\alpha t^2-0 \\
Acceleration (a)=\frac{d v_0}{d t}=2 \alpha t-(2) \\
Ratio =\frac{2 \alpha t}{\alpha t^2}

\Rightarrow \frac{2}{t}

put t= 2 sec

\Rightarrow \frac{2}{2}

\Rightarrow \frac{1}{1}
 

Posted by

Rishi

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