The motion of a particle along a straight line is described by equation: x = 8 + 12t - t3 where x is in metre and t in second. The retardation of the particle when its velocity becomes zero is
1
12 ms-2
2
24 ms-2
3
zero
4
6 ms-2
The motion of a particle along a straight line is described by equation: x = 8 + 12t - t3 where x is in metre and t in second. The retardation of the particle when its velocity becomes zero is