12-03-2020
Physics

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An object in free fall is dropped from a building. Its starting velocity is 0 m/s. Ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds

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13-03-2020

Answer:

30m/s^2

Explanation:

Acceleration=Final Velocity-Initial Velocity/Time

10m/s^2= Final Velocity-0m/s/3

30m/s^2= Final Velocity

Final Velocity=30m/s^2

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