Question

Answer is option 1
Please explain how to solve it

Answer 1

Explanation:

if you notice carefully then from the v-t graph you will see that it's moving with a uniform acceleration . so for uniform acceleration if we plot x-t graph then it will be like (a) [ see the drawing ] then it is moving with uniform retardation so...plotting it in x-t graph will look like (b) . combining both.....you will get the answer .