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physics

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For the question about friction force impeding motion. I'm sorry I tried what you wrote and did not get the correct answer. Its' not your fault. I am doing university phys and have never taken it before. I am little confused about what to do. Could you put it in steps for me?

Thanks:)

My answer was 88.09 could the right anwer be 21.56?

  • physics -

    I forgot the question

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