Physics

Physics, 28.07.2019 16:40, lexipiper8296

Aperson sitting in a chair with wheels stands up, causing the chair to roll backward across the floor. how would you describe the momentum of the chair?

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Chemistry, 03.07.2019 11:30, benoitjaylewe

Why does the chair in which you are currently sitting retain its same shape over time? a) the particles of the chair are strongly held together. b) the chair is lower in energy than the surrounding environment. c) the particles of the chair are free to move and form their most stable positions. d) the chair is made of particles that are relatively far apart and spread out to a maximum to form the chair shape.

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Engineering, 13.09.2019 23:30, myg21

Achair weighing 150 rests on a level floor that is not frictionless. a man pushes on the chair with a force = 43.0 that is directed at an angle of 34.0 with the horizontal. assume that the chair is stationary but is on the verge of sliding. using newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair. what is the coefficient of static friction, , between the floor and the chair? recall that the chair is on the verge of sliding.

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Physics, 23.09.2019 21:30, HalpMahOnMahH0meW0rk

Achair of mass 15.0 kg is sitting on the horizontal floor; the floor is not frictionless. you push on the chair with a force of 60.0 n that is directed at an angle of 40.0° below the horizontal, and the chair slides along the floor. use a free-body diagram and newton’s laws to calculate the normal force that the floor exerts on the chair.

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Physics, 07.10.2019 13:30, cheryljoseph69

With high school would really appreciate! a chair of weight 90.0 n lies atop a horizontal floor; the floor is not frictionless. you push on the chair with a force of f = 35.0 n directed at an angle of 43.0° below the horizontal and the chair slides along the floor. using newton's laws, calculate n, the magnitude of the normal force that the floor exerts on the chair.

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