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Q. Use the steps outlined above to find the magnitude of the acceleration of a chair and the magnitude of the normal force acting on the chair: Yusef pushes a chair of mass Yusef pushes a chair of mass = 55.0 across a carpeted floor with a force (the subscript 'p' here is lowercase and throughout the question) of magnitude = 168 directed at = 35.0 below the horizontal . The magnitude of the frictional force between the carpet and the floor is = 108 .

Q. An Indy car with a speed of 125 km/h goes around a level, circular track with a radius of 1.30 km. What is the centripetal acceleration of the car?

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