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A car moves with an initial velocity of
18 m/s due north. Find the velocity of the car after 7.0 s
if (a) its acceleration is 1,5 m/s2 due north and (b) its
acceleration is 1.5 m/s2 due south.

A car moves with an initial velocity of 18 ms due north Find the velocity of the car after 70 s if a its acceleration is 15 ms2 due north and b its acceleration class=

Respuesta :

Answer:

Explanation:

v = u + at

a) v = 18 + 1.5(7.0)

   v = 28.5 m/s

b) v = 18 - 1.5(7.0)

   v = 7.5 m/s

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