A math god's answer to Carolyn's Secondary 4 A Maths Singapore question.

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A math god
A Math God's answer
49 answers (A Helpful Person)
1st
For part(a) the question next come to rest so the first value that comes to rest is 0 so the next value of t is 3

For part (b) the question say maximum acceleration so sub cos (pie/3 t) =1 then just solve for A