Question

3. An object is moving along a straight line with uniform acceleration of 6 m/s2 It starts from rest at x = 0. The average velocity of the object during the period it travels from 3 m to 12 m is

Answer 1

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HERE IS UR ANSWER

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acceleration = 6m/s^2

x=0

using 3rd equation of motion

${v}^{2} - {u}^{2} = 2as$