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Block A has a mass of 4.1 kg, and it is on a frictionless surface. A string tied to this mass passes over a frictionless pulley, and is attached to a hanging block (Block B), as shown in the image below. The blocks then accelerate at 2.3 m/s/s.
What is the mass of Block B?

  • physics -

    a = g*Mb/(Mb + Ma)

    See if you can derive that equation

    Solve for Mb

  • physics -

    do you mean 2.3=9.8*Mb/(Mb+4.1) ?

  • physics -

    got it thanks

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