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Statement of a problem № 3253

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A ball of mass 0.2 kg and radius 0.5 m starting from rest rolls down a 30° inclined plane. (a) Find the time it would take to cover 7 m. (b) Calculate the torque acting at the end of 7 m.

Solution:
A ball of mass 0.2 kg and radius 0.5 m starting from rest rolls down a 30° incl

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