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a submarine begins ascending to the surface of the ocean. It experiences an overall acceleration of 1.7m/s^2 for the first 5s. What is it's velocity after 3.2 s?

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scme1702
The submarine started its ascent, so its initial velocity was 0 m/s.
Using the equation:
v = u + at
v = 0 + 1.7 x 3.2
v = 5.44 m/s

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