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an initially stationary block of mass m on a floor. A force of magnitude 0.540mg is then applied at upward angle of 16. What is the magnitude of the acceleration of the block across the floor if (a)Us=0.6 and Uk=0.5 and (b)Us=0.4 and Uk=0.3 ?

  • physics -

    Exactly what is a force of magnitude of xxx mg?

  • physics -

    I don't understand what you are refering to?

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