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If a 5.0 kg box is pulled simultaneously by a 10.0 N force and a 5.0 N force,then its acceleration must be
Q4: Water,of density 1000 kg/m<sup>3</sup>,is flowing in a
Q6: When adding two numbers,the number of significant
Q8: Which one of the following free-body diagrams
Q13: A 10,000-kg rocket blasts off from earth
Q14: A 6.1-kg solid sphere,made of metal whose
Q15: A person is dragging a packing crate
Q23: Two planets having equal masses are in
Q27: An object has a position given by
Q29: A 1000-kg car approaches an intersection traveling
Q40: A 1000 kg car experiences a net