Equation of displacement for a particle is
s = 3t3 + 7t2 + 141 + 8 m. Its acceleration at time
t = 2 sec is :-
(1) 10 m/s2
(2) 16 m/s2
(3) 25 m/s2
(4) 50 m/s2
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a= 18t +14
t=2 so
36+14
50m/s
Explanation:
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