3. A mass of 20 kg is moving at constant speed of 5 m/s. All of a sudden is pushed on a frictionless horizontal surface
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3. A mass of 20 kg is moving at constant speed of 5 m/s. All of a sudden is pushed on a frictionless horizontal surface
3. A mass of 20 kg is moving at constant speed of 5 m/s. All of a sudden is pushed on a frictionless horizontal surface by a force of 100 Newtons which makes it move a total distance of 20 meters. What is the value of the speed obtained by the mass by the action of this force? (20 points)
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