The x-coordinate of a particle moving along x-axis varies with time as x = 6 - 4t + t^2, where x is in meter and t is in second. Then distance covered by the particle in first 3 seconds is :\t1 m\t3 m5 m7 m I got the answer as 3 m but the correct answer is given as 5 m . I am confused , so please tell the correct answer with explanation !

Harish , 6 Years ago

Grade 12