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  • A particle at rest starts moving in a horizontal straight line with uniform acceleration.find the ratio of the distance covered during the first and the third second.

A particle at rest starts moving in a horizontal straight line with uniform acceleration.find the ratio of the distance covered during the first and the third second.

Answers (1)

Let ‘a’ be the acceleration of the particle.

Distance travelled in nth second is given by,

Here, u=0

Distance covered in 1st second, S1=0+(a/2)((2x1)-1)=a/2

Distance covered in 3rd second, S3=0+(a/2)((2x3)-1)=5a/2

So, S1/S3=1:5

Posted by

shubham.krishnan

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