❌Jee advance ❌ (Multiple correct option )
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Position of a particle in rectilinear motion is given by s = t³-6t²+9t
correct option for this particle are .
(a) total displacement of particle in first 5s is 20m
(b) total distance travelled by particle in first 5sec is 28m
(c) particle is moving at t = 1sec and t = 3sec
(d) acceleration of particle is constant .
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