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March 26, 2017

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A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 m on a frictionless horizontal surface. The cord will break when the tension in it exceeds 61 N.

What is the maximum speed the ball can have?

  • Physics - HELP - ,

    max tension= m*v^2/r
    solve for v.

  • Physics - HELP - ,

    15.12

  • Physics - HELP - ,

    2341234

  • Physics - ,

    61=0.40v^2/1.5
    91.5=0.40v^2
    228.75=v^2
    15.12=v

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