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physics

a block of mass 3 kg rests on a smooth table and connected to another block of mass 2 kg, after passing over and ideal pulley, the block of mass 2 kg is released. how long does it take the block to travel 80 cm

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  1. ok, i read this as the 3 kg is on the horizontal surface, the 2kg is pulling it.

    F=ma
    2g=(2+3)a
    solve for.

    then,
    d=1/2 a t^2
    .8=1/2 a:(above) * t^2 solve for time t.

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    bobpursley
  2. 0.639

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