physics

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block a in figure 1 has a mass of 10kg, and block b has a mass of 30 kg. the coefficient of friction between b and the horizontal surface is 0.3. a) what is the mass of block c if block b is moving with an acceleration of 3m/s/s b) what is the tension in each cord when b is moving with a constant velocity?

  • physics -

    you have not described how the blocks are related.

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