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Q. What force does an ice cube sliding down a frictionless plane with 16 degree angle to horizontal and area of ice cube 0.5625 m/s exert?

Q. A model car is propelled by a cylinder of carbon dioxide gas. The cylinder emits gas at a speed of 4.5 g/s with an exit speed of 80.0 m/s. The car has a mass of 400 g, including the CO2 cylinder. Starting from rest, what is the car's initial acceleration?

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