The weight of an object of mass m is 7N. What is the weight of an object of mass 3m?
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A constant force acts on an object of mass 5 kg for a duration of 2 seconds .It increases the objects velocity from 3 m/s to 7 m/s. Find the magnitude of the applied force . Now if the tax were applied for a duration of 5 seconds , what would be the final velocity of the object?
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