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March 29, 2017

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A 95 kg rowboat is initially at rest, until it is pulled toward the dock with a rope with a tension of 30.0 N. The dock is higher than the boat, and the rope makes an angle of 25° at the place where it meets the boat. What is the acceleration of the boat?
0.080 m/s2

0.29 m/s2

0.32 m/s2

3.2 m/s2

  • Physics - ,

    Fn = ma,
    a = Fn / m = 30cos25 / 95 = 0.29m/s^2.

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