3. Peter Paul is pushing a grocery cart full of fruits from the department store to his at constant speed. The grocery cart and the fruits has a combined mass of 20.00 kg. If the
coefficient of kinetic friction between the box and the floor is 0.24, how much force does
Peter Paul exert on the box?

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the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.