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1. A dock worker pushes a 250.0 kg crate for 200.0 meters with an acceleration of 1.50 m/s. The angl is 20.0 degrees below h4. A 425 HP motor move from the road and air. a) Calculate the amount of exertion force acting on the car when it is moving a on5.0 6. A 450:0 kg mass is attached to a powerful spring with a spring constant of Of 400 N/m. It is stretch from its equilibr

Cannot figure out part B in number 1, number 4 at all, and part C in number 6. Please help!!!!

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