N6 - 3. sin(30) times his normal weight 4. none of the...

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N6: Linearly Constrained Motion
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Problem : A box of mass m slides down an inclined plane that makes an angle with the horizontal. The coefFcient of sliding friction between the box and the plane is . What is the acceleration of the box?
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Concept Test A physics student attaches skateboard wheels to the bottom of a bathroom scale and rolls down a 30° slope. Neglecting friction and air resistance, the scale reading is 1. his normal weight. 2. cos(30°) times his normal weight
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Unformatted text preview: 3. sin(30) times his normal weight 4. none of the above Problem : A box of mass m is being pulled along a horizontal surface by a rope that can withstand a maximum tension T. The coefFcient of kinetic friction between the box and the ground is . What is the maximum acceleration of the box? Problem : If someone drops a penny from the Empire State Building and it hits a pedestrian, will it kill them? Do not ignore air resitance!...
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N6 - 3. sin(30) times his normal weight 4. none of the...

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