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 sec….

Q: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 sec. The retardation of the particle when its velocity becomes zero  is
(a) 24 ms–2
(b) zero
(c) 6 ms–2
(d) 12 ms–2

Ans: (d)

Author: Rajesh Jha

QuantumStudy.com

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