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A hollow sphere, a solid cylinder, and a hollow cylinder are all released from rest at...

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Physics

  1. A hollow sphere, a solid cylinder, and a hollow cylinder are allreleased from rest at the top of a ramp. Which object reaches thebottom of the ramp first?

    (a) The hollow sphere (b) The solid cylinder

    (c) The hollow cylinder
    (d) They all reach the bottom of the ramp at the same time

  2. A hollow sphere, a solid cylinder, and a hollow cylinder are allreleased from rest at the top of a ramp. Which object has thegreatest speed at the bottom of the ramp?

    (a) The hollow sphere (b) The solid cylinder

    (c) The hollow cylinder
    (d) They all reach the bottom of the ramp at the same time

  3. What is the formula for the moment of inertia of a hollowcylinder rotating about an axis at its edge?

    (a) I = 12MR2 (b) I = MR2

    (c) I = 32MR2 (d) I = 2MR2

  4. A meter stick is held such that it rotates at its end. If themeter stick has a mass of 100g, how much torque does gravityproduce?

    (a) 0 Nm (b) 0.5 Nm

    (c) 0.75 Nm (d) 1 Nm

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