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A particle moves along a. line so that it 's displacement at tinle t 2 U is given by 3(t) = 2t324t+1, 1Where s is measured in metres and t is

hello please help me with this following calculus question


Screen Shot 2018-05-10 at 10.31.07 pm.png

Screen Shot 2018-05-10 at 10.31.07 pm.png

A particle moves along a. line so that it ’s displacement at tinle t 2 U is given by 3(t) = 2t3—24t+1,
1Where s is measured in metres and t is measured in seconds. At what value or values of t does
the particle change direction? Hint: Use a Sign, diagram to Show that the particie does change direction.

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When the particle changes direction, it has to... View the full answer

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after 3.4431sec,... View the full answer

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1 comment
  • and coming to velocity, by doing differentiation, t=2s.. so after 2sec, it changes the direction. when t>2 it moves positive and t<2sec, it moves negative
    • SravyaVidya
    • May 10, 2018 at 10:43am

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