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The position of a particle varies with t...

The position of a particle varies with time according to the relation `x=3t^(2)+5t^(3)+7t`, where x is in m and t is in s. Find
(i) Displacement during time interval t = 1 s to t = 3 s.
(ii) Average velocity during time interval 0 - 5 s.
(iii) Instantaneous velocity at t = 0 and t = 5 s.
(iv) Average acceleration during time interval 0 - 5 s.
(v) Acceleration at t = 0 and t = 5 s.

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