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option A Positive acceleration
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Given :-
A vehicle moving with the velocity of 10 m/s stops after 5 sec
To Find :-
Type of acceleration
Solution :-
Since, it stops after 5 sec. Then, it's final velocity is 0 m/s. Now, we know that when the initial velocity is greater than the final velocity than the acceleration is in negative. Clearly v < u. Hence, it's a negative acceleration
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