A particle moves along a straight line such that its displacement at any time t is given bys=t3− 3t2 + 2mThe displacement when the acceleration becomes zero is
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a
0 m
b
2 m
c
3 m
d
-2 m
answer is A.
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Detailed Solution
s=t3−3t2+2u=3t2−6ta = 6t - 6 when t = 1 a = 0S = 1-3+2 = 0