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A 1.7 kg otter starts from rest at the top of a
muddy incline 89.2 cm long and slides down
to the bottom in 0.60 s.
What net external force acts on the otter
along the incline?
Answer in units of N

  • Physics -

    external force? gravity, friction.

    vavg= .892m/.60s

    Vf= 2*vavg
    a= Vf/.6

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