physics

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A bead of mass m = 40.5 kg is released from point A which is located 5 m above the ground and slides on the frictionless track as shown in the figure. Determine the beads speed when it reaches point C which is located 2.0 m above the ground.

  • physics -

    initial PE + initial KE=finalKE+finalPE
    mg*5+ 0=1/2 m v^2 +mg*2
    solve for v

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