Q.

The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is  0.34 ms-1. If the change in velocity  of the body  is 0.18 ms-1 during  this time, its uniform acceleration in ms-2 is :

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a

0.01

b

0.02

c

0.03

d

0.04

answer is B.

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Detailed Solution

average velocity is u+v2  and change in velocity is v-u s=u+v2t soving for t=9 sec a= v-ut=0.189=0.02
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The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is  0.34 ms-1. If the change in velocity  of the body  is 0.18 ms-1 during  this time, its uniform acceleration in ms-2 is :