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4. An object is moving with an initial velocity of 9 m/s. It accelerates at a rate of 1.5
m/s over a distance of 20 m. What is its new velocity?

Respuesta :

Hania12

Answer:

11.87 ms⁻¹

Explanation:

You can use the kinematic equation

v² = u² + 2as

Where v = final velocity

          u = initial velocity

          a = acceleration

          s = displacement

v² = 9² + 2×1.5×20

So you get v = 11.87 ms⁻¹

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