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2. A 70.0 kg astronaut far pushes away from a
3. A sled is pulled by a rope at constant velocity across a horizontal surface. If a force of 80.0 N is being applied to the sled rope at an angle of
4. A 7.00 g bullet traveling 300.0 m/s penetrates
5. An airplane with a mass of 12.0 t starts to take off. It pulls a glider with a mass of 6.00 t. If the airplane's propellers provide a net force of
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