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An object moves with constant acceleration 4.70 m/s2 and over a time interval reaches a final...

An object moves with constant acceleration 4.70 m/s2 and over a time interval reaches a final velocity of 13.4 m/s.

(a) If its original velocity is 6.70 m/s, what is its displacement during the time interval?
  m

(b) What is the distance it travels during this interval?
  m

(c) If its initial velocity is

−6.70 m/s,

what is its displacement during this interval?
  m

(d) What is the total distance it travels during the interval in part (c)?

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